corporate/other corporate/other includes global staff functions ( includes finance , risk , human resources , legal and compliance ) and other corporate expense , global operations and technology ( o&t ) , residual corporate treasury and corporate items . at december 31 , 2009 , this segment had approximately $ 230 billion of assets , consisting primarily of the company 2019s liquidity portfolio , including $ 110 billion of cash and cash equivalents. .
2009 vs . 2008 revenues , net of interest expense declined , primarily due to the pretax loss on debt extinguishment related to the repayment of the $ 20 billion of tarp trust preferred securities and the pretax loss in connection with the exit from the loss-sharing agreement with the u.s . government . revenues also declined , due to the absence of the 2008 sale of citigroup global services limited recorded in o&t . this was partially offset by a pretax gain related to the exchange offers , revenues and higher intersegment eliminations . operating expenses increased , primarily due to intersegment eliminations and increases in compensation , partially offset by lower repositioning reserves . 2008 vs . 2007 revenues , net of interest expense increased primarily due to the gain in 2007 on the sale of certain corporate-owned assets and higher intersegment eliminations , partially offset by improved treasury hedging activities . operating expenses declined , primarily due to lower restructuring charges in 2008 as well as reductions in incentive compensation and benefits expense. .
In millions of dollars 2009 2008 2007
Net interest revenue $(1,663) $(2,680) $(2,008)
Non-interest revenue (8,893) 422 (302)
Total revenues, net of interest expense $(10,556) $(2,258) $(2,310)
Total operating expenses $1,420 $510 $1,813
Provisions for loan losses and for benefits and claims (1) 1 (3)
(Loss) from continuing operations before taxes $(11,975) $(2,769) $(4,120)
Income taxes (benefits) (4,369) (587) (1,446)
(Loss) from continuing operations $(7,606) $(2,182) $(2,674)
Income (loss) from discontinued operations, net of taxes (445) 4,002 708
Net income (loss) before attribution of noncontrolling interests $(8,051) $1,820 $(1,966)
Net income attributable to noncontrolling interests — — 2
Net income (loss) $(8,051) $1,820 $(1,968)
in millions of dollars 2009 2008 2007
net interest revenue $ -1663 ( 1663 ) $ -2680 ( 2680 ) $ -2008 ( 2008 )
non-interest revenue -8893 ( 8893 ) 422 -302 ( 302 )
total revenues net of interest expense $ -10556 ( 10556 ) $ -2258 ( 2258 ) $ -2310 ( 2310 )
total operating expenses $ 1420 $ 510 $ 1813
provisions for loan losses and for benefits and claims -1 ( 1 ) 1 -3 ( 3 )
( loss ) from continuing operations before taxes $ -11975 ( 11975 ) $ -2769 ( 2769 ) $ -4120 ( 4120 )
income taxes ( benefits ) -4369 ( 4369 ) -587 ( 587 ) -1446 ( 1446 )
( loss ) from continuing operations $ -7606 ( 7606 ) $ -2182 ( 2182 ) $ -2674 ( 2674 )
income ( loss ) from discontinued operations net of taxes -445 ( 445 ) 4002 708
net income ( loss ) before attribution of noncontrolling interests $ -8051 ( 8051 ) $ 1820 $ -1966 ( 1966 )
net income attributable to noncontrolling interests 2014 2014 2
net income ( loss ) $ -8051 ( 8051 ) $ 1820 $ -1968 ( 1968 )
what was the percentage change in total operating expenses between 2008 and 2009?