CREATE TABLE table_204_990 (id NUMBER, "by race" CLOB, "white" CLOB, "black" CLOB, "aian" CLOB, "asian" CLOB, "nhpi" CLOB)

what is the difference in percentage between whites in the 2000 population and whites in the 2005 population ?
SELECT ABS((SELECT "white" FROM table_204_990 WHERE "by race" = '2000 (total population)') - (SELECT "white" FROM table_204_990 WHERE "by race" = '2005 (total population)'))
SELECT ABS((SELECT "white" FROM "table_204_990" WHERE "by race" = '2000 (total population)') - (SELECT "white" FROM "table_204_990" WHERE "by race" = '2005 (total population)'))