2008 vs . 2007 revenues , net of interest expense declined primarily due to the gain in 2007 on the sale of certain corporate-owned assets and higher inter-segment eliminations partially offset by improved treasury hedging activities . operating expenses declined primarily due to lower restructuring charges in the current year as well as reductions in incentive compensation and benefits expense . discontinued operations represent the sale of citigroup 2019s german retail banking operations and citicapital . see note 3 to the consolidated financial statements on page 136 for a more detailed discussion . 2007 vs . 2006 revenues , net of interest expense improved primarily due to improved treasury results and a gain on the sale of certain corporate-owned assets , partially offset by higher inter-segment eliminations . operating expenses increased primarily due to restructuring charges , increased staffing , technology and other unallocated expenses , partially offset by higher inter-segment eliminations . income tax benefits increased due to a higher pretax loss in 2007 , offset by a prior-year tax reserve release of $ 69 million relating to the resolution of the 2006 tax audits . discontinued operations represent the operations in the sale of the asset management business and the sale of the life insurance and annuities business . for 2006 , income from discontinued operations included gains and tax benefits relating to the final settlement of the life insurance and annuities and asset management sale transactions and a gain from the sale of the asset management business in poland , as well as a tax reserve release of $ 76 million relating to the resolution of the 2006 tax audits. .
corporate/other corporate/other includes treasury results , unallocated corporate expenses , offsets to certain line-item reclassifications reported in the business segments ( inter-segment eliminations ) , the results of discontinued operations and unallocated taxes . in millions of dollars 2008 2007 2006 .
what was the percentage change in non-interest revenue from 2007 to 2008?
in millions of dollars the non-interest revenue of 2008 is 438 ; the non-interest revenue of 2007 is -291 ( 291 ) ; the non-interest revenue of 2006 is -599 ( 599 ) ;
in millions of dollars 2008 2007 2006
net interest revenue $ -1288 ( 1288 ) $ -461 ( 461 ) $ -345 ( 345 )
non-interest revenue 438 -291 ( 291 ) -599 ( 599 )
revenues net of interest expense $ -850 ( 850 ) $ -752 ( 752 ) $ -944 ( 944 )
operating expenses 526 1830 202
provisions for loan losses and for benefits and claims 1 -2 ( 2 ) 4
loss from continuing operations before taxes and minority interest $ -1377 ( 1377 ) $ -2580 ( 2580 ) $ -1150 ( 1150 )
income tax benefits -421 ( 421 ) -922 ( 922 ) -498 ( 498 )
minority interest net of taxes -2 ( 2 ) 3 2
loss from continuing operations $ -954 ( 954 ) $ -1661 ( 1661 ) $ -654 ( 654 )
income from discontinued operations 4410 628 1087
net income ( loss ) $ 3456 $ -1033 ( 1033 ) $ 433