notes to consolidated financial statements jpmorgan chase & co . 162 jpmorgan chase & co . / 2007 annual report note 25 2013 accumulated other comprehensive income ( loss ) accumulated other comprehensive income ( loss ) includes the after-tax change in sfas 115 unrealized gains and losses on afs securities , sfas 52 foreign currency translation adjustments ( including the impact of related derivatives ) , sfas 133 cash flow hedging activities and sfas 158 net loss and prior service cost ( credit ) related to the firm 2019s defined benefit pension and opeb plans . net loss and accumulated translation prior service ( credit ) of other unrealized gains ( losses ) adjustments , cash defined benefit pension comprehensive ( in millions ) on afs securities ( a ) net of hedges flow hedges and opeb plans ( e ) income ( loss ) balance at december 31 , 2004 $ ( 61 ) $ ( 8 ) $ ( 139 ) $ 2014 $ ( 208 ) net change ( 163 ) ( b ) 2014 ( 255 ) 2014 ( 418 ) balance at december 31 , 2005 ( 224 ) ( 8 ) ( 394 ) 2014 ( 626 ) net change 253 ( c ) 13 ( 95 ) 2014 171 adjustment to initially apply sfas 158 , net of taxes 2014 2014 2014 ( 1102 ) ( 1102 ) .

unrealized gains ( losses ) on afs securities ( a ): balance at december 31 2004: -61
net change: -352
balance at december 31 2005: -224
adjustment to initially apply sfas 158 net of taxes: 2014
balance at december 31 2006: 29
cumulative effect of changes in accounting principles ( sfas 159 ): -1
balance at january 1 2007 adjusted: 28
balance at december 31 2007: 380
translation adjustments net of hedges: balance at december 31 2004: -8
net change: 3
balance at december 31 2005: -8
adjustment to initially apply sfas 158 net of taxes: 2014
balance at december 31 2006: 5
cumulative effect of changes in accounting principles ( sfas 159 ): 2014
balance at january 1 2007 adjusted: 5
balance at december 31 2007: 8
cash flow hedges: balance at december 31 2004: -139
net change: -313
balance at december 31 2005: -394
adjustment to initially apply sfas 158 net of taxes: 2014
balance at december 31 2006: -489
cumulative effect of changes in accounting principles ( sfas 159 ): 2014
balance at january 1 2007 adjusted: -489
balance at december 31 2007: -802
net loss andprior service ( credit ) of defined benefit pension and opeb plans ( e ): balance at december 31 2004: 2014
net change: 599
balance at december 31 2005: 2014
adjustment to initially apply sfas 158 net of taxes: -1102
balance at december 31 2006: -1102
cumulative effect of changes in accounting principles ( sfas 159 ): 2014
balance at january 1 2007 adjusted: -1102
balance at december 31 2007: -503
accumulated other comprehensive income ( loss ): balance at december 31 2004: -208
net change: 641
balance at december 31 2005: -626
adjustment to initially apply sfas 158 net of taxes: -1102
balance at december 31 2006: -1557
cumulative effect of changes in accounting principles ( sfas 159 ): -1
balance at january 1 2007 adjusted: -1558
balance at december 31 2007: -917

net change 352 ( d ) 3 ( 313 ) 599 641 balance at december 31 , 2007 $ 380 $ 8 $ ( 802 ) $ ( 503 ) $ ( 917 ) ( a ) represents the after-tax difference between the fair value and amortized cost of the afs securities portfolio and retained interests in securitizations recorded in other assets . ( b ) the net change during 2005 was due primarily to higher interest rates , partially offset by the reversal of unrealized losses from securities sales . ( c ) the net change during 2006 was due primarily to the reversal of unrealized losses from securities sales . ( d ) the net change during 2007 was due primarily to a decline in interest rates . ( e ) for further discussion of sfas 158 , see note 9 on pages 124 2013130 of this annual report. .

Questions:
what was the difference in unrealized gains on afs securities between 12/31/06 and 12/31/07?
and the specific balance as of 12/31/06?
so what was the percentage change during this time?

Answers:
351
29
1210%