It's Anagram Quine, not just Quine!
Unary, 100%
This is essentially the same as the Lenguage answer because of how the two are related. I think it's worth noting, though. I scored it as 100% because every permutation of the code will result in a quine of itself and I see that as X/X * 100 = 100%.
5.71728886e+3431 zeroes. The full number can be found in this snippet:


571,728,886,299,524,079,667,110,831,585,172,705,903,242,988,869,730,233,666,941,239,930,957,383,634,990,884,017,758,011,673,661,456,375,420,014,789,453,910,279,412,516,365,039,911,616,569,776,194,653,994,845,706,814,330,810,597,741,840,830,026,333,447,578,878,492,702,908,613,882,908,168,867,637,282,596,648,914,407,902,821,648,635,054,942,485,156,519,086,239,517,305,702,705,783,520,430,327,882,724,649,323,623,993,252,952,774,346,675,694,385,891,810,563,667,798,834,846,369,950,692,136,274,353,903,969,878,343,229,031,870,459,050,270,140,433,402,333,183,995,076,273,934,316,316,041,923,055,208,568,854,697,194,015,046,079,301,420,468,901,769,118,098,230,767,460,924,846,552,476,679,293,134,684,448,847,449,288,151,944,932,525,087,248,192,275,095,934,337,598,653,981,534,386,220,451,824,875,829,915,842,538,357,082,913,137,430,485,883,178,947,004,702,124,084,633,123,544,060,730,650,995,512,745,030,590,989,195,409,454,379,726,020,068,090,543,485,377,485,846,396,271,958,108,709,617,635,354,477,293,970,464,272,097,575,501,779,386,668,756,938,340,200,794,894,015,824,708,091,428,944,573,831,257,244,094,409,870,775,301,993,104,432,870,895,478,408,037,450,837,230,273,086,589,639,225,269,690,034,191,664,788,952,560,282,035,550,980,217,998,364,096,267,637,012,870,557,015,775,372,943,770,232,826,937,792,678,659,741,977,391,285,036,126,978,266,614,181,473,074,907,458,591,514,305,961,253,806,814,023,933,864,985,407,267,169,604,856,107,931,116,888,268,748,039,451,683,353,551,414,447,462,928,850,923,445,503,652,021,793,168,648,510,513,597,305,336,955,173,718,471,931,736,313,986,020,652,567,023,366,257,316,037,210,037,318,158,858,503,724,736,280,981,391,398,280,363,850,853,361,932,459,586,164,155,418,666,917,331,478,035,204,211,067,642,357,524,068,995,687,396,230,593,421,768,310,516,964,395,591,974,018,305,173,396,770,508,740,001,527,520,092,344,197,005,623,355,537,596,657,473,766,544,801,370,212,627,256,410,732,664,011,822,421,191,103,127,619,073,582,845,123,484,719,578,718,376,300,070,162,355,969,718,786,766,544,705,666,866,547,241,576,008,751,585,319,953,584,072,266,931,915,765,118,041,170,749,844,694,686,800,072,822,536,450,477,293,767,227,280,278,303,598,479,313,816,303,539,184,630,996,668,979,230,004,925,749,414,158,627,159,671,600,379,023,203,894,575,932,729,998,748,035,419,783,450,180,418,397,923,824,642,227,478,374,530,825,875,117,414,862,969,170,359,605,774,864,660,165,183,532,258,493,867,754,625,154,388,052,741,695,648,070,594,472,531,159,793,952,847,078,816,841,601,345,611,759,202,959,380,748,999,978,577,549,942,317,774,738,570,775,404,426,481,919,733,186,968,468,431,270,431,605,972,498,637,946,956,126,022,229,614,797,087,117,225,823,565,342,748,501,153,741,450,722,494,697,466,495,557,622,414,355,168,111,360,033,562,039,346,636,733,121,121,610,857,454,876,606,487,443,794,811,222,591,756,267,144,914,006,412,918,432,311,781,300,777,103,610,374,114,091,997,695,742,108,877,002,082,862,282,098,075,681,749,979,978,446,425,489,037,395,541,763,956,873,201,738,020,809,689,085,082,333,652,677,837,122,632,903,083,224,964,125,736,624,491,672,540,404,024,051,399,430,701,347,505,739,704,581,760,444,853,708,889,328,730,053,965,944,499,104,791,856,210,999,740,898,398,825,918,657,619,888,095,865,548,102,735,913,913,094,386,735,714,696,418,726,741,576,678,447,905,375,266,819,534,780,270,705,492,733,528,843,064,273,668,310,355,948,806,085,914,998,909,078,430,123,434,842,644,353,766,593,108,209,757,731,578,915,664,389,676,321,477,765,937,156,616,387,196,395,610,946,243,206,146,663,560,610,797,140,874,906,254,178,018,061,181,083,047,209,661,789,909,286,724,851,898,477,573,800,702,633,601,175,620,396,600,949,134,122,178,276,685,812,142,120,568,127,180,096,273,903,971,758,009,993,201,718,908,993,673,764,199,386,800,398,143,178,502,530,082,660,500,014,722,964,981,864,977,851,706,298,981,882,062,478,994,083,243,364,559,882,663,594,491,418,634,537,443,259,947,411,981,605,363,306,172,530,522,346,606,185,828,881,879,282,631,498,937,150,281,652,951,729,913,616,393,089,658,674,346,663,853,707,461,126,940,124,422,764,766,614,384,500,640,200,165,833,857,590,144,741,546,981,402,879,612,572,412,230,319,659,934,882,344,598,744,566,237,876,680,653,747,327,784,600,034,796,624,136,727,679,072,247,471,775,907,417,517,609,655,422,229,860,544,695,004,718,249,668,190,489,544,232,936,202,367,307,609,329,582,839,156,431,588,444,789,676,252,562,273,585,535,627,566,417,124,298,941,319,814,273,113,830,010,077,536,882,402,273,792,934,052,604,658,425,046,299,684,558,311,449,368,519,016,440,435,219,777,519,127,752,414,574,327,366,464,226,160,312,027,143



The Brainf*ck equivalent is in this snippet:


&gt;+++++&gt;++&gt;++++++&gt;+&gt;+++++&gt;+++++&gt;+&gt;++++++&gt;+&gt;+++++&gt;+&gt;++++++&gt;+&gt;+++++&gt;+&gt;++++++&gt;+++&gt;+++++&gt;+++++&gt;+&gt;+++&gt;++&gt;+
+++&gt;++++++&gt;++&gt;++++++&gt;+++&gt;+++++&gt;++&gt;++++++&gt;++&gt;+++++&gt;++&gt;++++++&gt;+&gt;+++++&gt;+++++&gt;+&gt;++++++&gt;+&gt;+++++&gt;+&gt;++++++&gt;
+&gt;+++++&gt;+&gt;++++++&gt;++&gt;+++&gt;+++++&gt;+++++&gt;+&gt;+++&gt;++&gt;++++&gt;++++++&gt;++&gt;++++++&gt;+++&gt;+++&gt;+++&gt;+++++&gt;++&gt;++++++&gt;++&gt;++
+++&gt;++&gt;++++++&gt;+&gt;++++&gt;++++++&gt;+&gt;++++++&gt;+&gt;+++++&gt;+&gt;++++++&gt;+&gt;+++++&gt;++++&gt;+++++&gt;++&gt;+++&gt;+&gt;++++&gt;++++++&gt;+&gt;++++
++&gt;++&gt;++&gt;+++++&gt;++&gt;++++++&gt;+&gt;+++++&gt;+++++&gt;+++++&gt;+&gt;++++++&gt;+&gt;+++&gt;++&gt;++&gt;+++++&gt;++&gt;++++++&gt;+&gt;++++&gt;++++++&gt;+&gt;++
+++&gt;+&gt;++++++&gt;+++&gt;+&gt;++++&gt;+++++&gt;++++&gt;+++++&gt;++++&gt;+++++&gt;++++&gt;+++++&gt;++++&gt;+++++&gt;++++&gt;+++++&gt;++++&gt;++&gt;++++&gt;+&gt;
+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;++++++&gt;++&gt;+++++&gt;++++&gt;+&gt;+&gt;
+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;++++++&gt;+&gt;++++++&gt;++&gt;++
+++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;++++++&gt;+&gt;+++
+++&gt;++&gt;+++++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;+++
+++&gt;+&gt;++++++&gt;++&gt;+++++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++++&gt;++&gt;++&gt;++&gt;+++++
+&gt;++++++&gt;+&gt;++++++&gt;++&gt;+++++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+++++&gt;++&gt;++&gt;++&gt;
++++++&gt;++++++&gt;+&gt;++++++&gt;++&gt;+++++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+&gt;+&gt;+&gt;+++&gt;+++++&gt;++&gt;++&gt;++
&gt;++++++&gt;++++++&gt;++&gt;+++++&gt;++&gt;++++++&gt;+&gt;++++++&gt;+++&gt;+++&gt;++&gt;+++&gt;+++++&gt;++&gt;+++&gt;+&gt;+&gt;+++++&gt;+++++&gt;+&gt;+++&gt;+&gt;+++&gt;+
+&gt;++&gt;++++&gt;++++++&gt;+&gt;+++++&gt;++&gt;+++&gt;+&gt;++++&gt;++++++&gt;+&gt;++++&gt;+++++&gt;++++&gt;+++++&gt;++++&gt;+&gt;+++++&gt;+&gt;+++&gt;+&gt;+++&gt;++&gt;++
&gt;++++&gt;++++++&gt;+&gt;+++++&gt;++&gt;+++&gt;+&gt;++++&gt;++++++&gt;+&gt;+++++&gt;++&gt;+++&gt;+&gt;++++&gt;+++++&gt;++&gt;++++&gt;+&gt;+++++&gt;++++&gt;++++++&gt;++
++++&gt;++++++&gt;++&gt;+++++&gt;++++&gt;++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;++&gt;++&gt;++&gt;+++++&gt;+++++&gt;+&gt;+&gt;+&gt;+++&gt;++&gt;++&gt;++&gt;+
+++&gt;++++++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;+++&gt;++&gt;++&gt;++&gt;+++&gt;+++&gt;+++&gt;++&gt;++&gt;++&gt;++++&gt;++++&gt;++++&gt;++&gt;++&gt;++&gt;+
++++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;++++&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+&gt;++++++&gt;++&gt;++&gt;++++++&gt;++++
++&gt;+&gt;++++++&gt;++&gt;++&gt;++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;+++++&gt;++&gt;++&gt;+++&gt;+&gt;+++&gt;+&gt;++++&gt;++++++&gt;++&gt;++&gt;+++++&gt;+&gt;+&gt;+++
&gt;++&gt;++&gt;++++&gt;++++++&gt;+&gt;+++++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+++++&gt;+&gt;+++&gt;+&gt;+++&gt;++&gt;++&gt;++++&gt;++++++&gt;+&gt;+++++&gt;++&gt;+++&gt;+&gt;+++
+&gt;++++++&gt;+&gt;++++&gt;+++++&gt;++&gt;+++&gt;+&gt;++++&gt;+++++&gt;++&gt;++++&gt;+&gt;++++&gt;++++++&gt;++&gt;+++++&gt;++++&gt;++&gt;++++&gt;++++&gt;+&gt;+&gt;+&gt;+++
++&gt;+&gt;+&gt;+&gt;++++++&gt;++&gt;++&gt;++&gt;+++++&gt;+++++&gt;+&gt;+&gt;+&gt;+++&gt;++&gt;++&gt;++&gt;++++&gt;++++++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;+&gt;+&gt;+++&gt;+++&gt;++
+&gt;++&gt;++&gt;++&gt;++&gt;++&gt;++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;++++&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+++&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;++&gt;++
&gt;++++++&gt;+&gt;++++++&gt;+&gt;++++++&gt;++&gt;++&gt;++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;++++++&gt;+&gt;+++++&gt;++&gt;++&gt;+++&gt;+&gt;+++&gt;+&gt;++++&gt;+++++
+&gt;++&gt;++&gt;+++++&gt;+&gt;+&gt;+++&gt;++&gt;++&gt;++++&gt;++++++&gt;+&gt;+++++&gt;++++&gt;+&gt;+&gt;+&gt;+++++&gt;+++++&gt;+&gt;+++&gt;+&gt;+++&gt;++&gt;++&gt;++++&gt;++++++
&gt;+&gt;+++++&gt;++&gt;+++&gt;+&gt;++++&gt;++++++&gt;+++&gt;+&gt;++++&gt;+++++&gt;++&gt;++++&gt;+&gt;+++++&gt;++++&gt;++++++&gt;++++++&gt;++&gt;+++++&gt;++++&gt;++&gt;+
+++&gt;++&gt;++&gt;++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;++++&gt;+&gt;+&gt;+++++&gt;+&gt;+&gt;+&gt;++++++&gt;+&gt;+&gt;+&gt;+++++&gt;+++++&gt;++&gt;++&gt;++&gt;+++&gt;+&gt;+&gt;
+&gt;++++&gt;++++++&gt;+&gt;+&gt;+&gt;++++++&gt;++&gt;++&gt;++&gt;++&gt;++&gt;++++++&gt;+&gt;+&gt;++++++&gt;++&gt;++&gt;++&gt;+++++&gt;++&gt;++&gt;++&gt;++++++&gt;++++++&gt;+&gt;
+++++&gt;+&gt;++++&gt;++&gt;++++&gt;++++++&gt;+&gt;++++++&gt;+&gt;+++++&gt;+++&gt;+++&gt;+++&gt;+++++&gt;+&gt;+++&gt;+++&gt;+++&gt;+++&gt;+++&gt;+++&gt;+++&gt;+++&gt;++&gt;
++++&gt;++++++&gt;+&gt;+++++++&gt;+&gt;+&gt;++++++[&lt;]&gt;[[&gt;]&gt;[&gt;]&gt;[&gt;]+[[&gt;+&lt;-]&lt;]+[&lt;]&lt;[&lt;]&gt;[[&gt;]&gt;[&gt;]&gt;[&gt;]&lt;+[[&gt;+&lt;-]&lt;]+++[&lt;]&lt;[&lt;]
&gt;-]&gt;]&gt;[&gt;]&gt;[-[&lt;+&gt;-]&gt;]&lt;&lt;[&lt;]&gt;[[[&gt;]&gt;+&lt;&lt;[&lt;]&gt;-]&gt;[&gt;]+&gt;-[-[-[-[-[-[-&lt;-&gt;&gt;&gt;[&gt;&gt;&gt;]++&gt;&gt;&gt;+&gt;&gt;&gt;+[&lt;&lt;&lt;]&gt;]&lt;[-&gt;&gt;&gt;[&gt;&gt;&gt;]++
&gt;&gt;&gt;++&gt;&gt;&gt;++[&lt;&lt;&lt;]]&gt;]&lt;[-&gt;&gt;&gt;[&gt;&gt;&gt;]++&gt;&gt;&gt;++&gt;&gt;&gt;+[&lt;&lt;&lt;]]&gt;]&lt;[-&gt;&gt;&gt;[&gt;&gt;&gt;]+&gt;&gt;&gt;++&gt;&gt;&gt;++[&lt;&lt;&lt;]]&gt;]&lt;[-&gt;&gt;&gt;[&gt;&gt;&gt;]+&gt;&gt;&gt;++&gt;&gt;&gt;+[
&lt;&lt;&lt;]]&gt;]&lt;[-&gt;&gt;&gt;[&gt;&gt;&gt;]+&gt;&gt;&gt;+&gt;&gt;&gt;++[&lt;&lt;&lt;]]&gt;]&lt;[-&gt;&gt;&gt;[&gt;&gt;&gt;]+&gt;&gt;&gt;+&gt;&gt;&gt;+[&lt;&lt;&lt;]]&lt;[&lt;]&gt;]++
%
&lt;+[&lt;+&gt;&gt;[[&gt;+&gt;+&lt;&lt;-]&gt;[&lt;+&gt;-]&gt;-[-[-&gt;[&gt;+&gt;+&lt;&lt;-]&gt;[&lt;+&gt;-]&gt;[&lt;+&gt;-[&lt;-&gt;[-]]]&lt;[-&lt;-&gt;&gt;&gt;[&gt;&gt;&gt;]&lt;&lt;&lt;[[&gt;&gt;&gt;+&lt;&lt;&lt;-]&lt;&lt;&lt;]&gt;&gt;&gt;+++&lt;
&lt;&lt;+++&lt;&lt;&lt;---&lt;&lt;&lt;[&lt;&lt;&lt;]&gt;-&gt;&gt;[&gt;&gt;&gt;]+[&gt;&gt;&gt;]&gt;]&lt;&lt;]]&gt;]&lt;&lt;&lt;[&lt;&lt;&lt;]&gt;[&lt;&lt;+&gt;+&gt;-]&lt;&lt;[&gt;&gt;+&lt;&lt;-]&gt;[-&gt;&gt;&gt;[[&gt;+&gt;+&lt;&lt;-]&gt;[&lt;+&gt;-]&gt;-[&lt;+&gt;-
[&lt;-&gt;-]&lt;[-&lt;--&gt;&gt;&gt;[&gt;&gt;&gt;]&lt;&lt;&lt;[[&gt;&gt;&gt;+&lt;&lt;&lt;-]&lt;&lt;&lt;]&gt;&gt;&gt;+++&lt;&lt;&lt;&lt;&lt;&lt;[&lt;&lt;&lt;]&gt;-&gt;&gt;[&gt;&gt;&gt;]+[&gt;&gt;&gt;]&lt;&lt;]&gt;]&gt;]&lt;&lt;&lt;[&lt;&lt;&lt;]]&gt;[&lt;&lt;+&gt;+&gt;-]&lt;&lt;[&gt;
&gt;+&lt;&lt;-]&gt;[-&gt;&gt;&gt;[[&gt;+&gt;+&lt;&lt;-]&gt;[&lt;+&gt;-]+&gt;-[&lt;-&gt;[-]]&lt;[-&lt;-&lt;&lt;&lt;[&lt;&lt;&lt;]&gt;-&gt;&gt;[&gt;&gt;&gt;]&gt;&gt;&gt;[[&lt;&lt;&lt;+&gt;&gt;&gt;-]&gt;&gt;&gt;]&lt;&lt;&lt;&lt;&lt;]&gt;&gt;]&lt;&lt;&lt;[&lt;&lt;&lt;]]&gt;[
&gt;-&lt;-]&gt;]&gt;[+++[&gt;++++++++&lt;-]&gt;.&gt;&gt;]



Source of source