the significant changes from december 31 , 2008 to december 31 , 2009 in level 3 assets and liabilities are due to : a net decrease in trading securities of $ 10.8 billion that was driven by : 2022 net transfers of $ 6.5 billion , due mainly to the transfer of debt 2013 securities from level 3 to level 2 due to increased liquidity and pricing transparency ; and net settlements of $ 5.8 billion , due primarily to the liquidations of 2013 subprime securities of $ 4.1 billion . the change in net trading derivatives driven by : 2022 a net loss of $ 4.9 billion relating to complex derivative contracts , 2013 such as those linked to credit , equity and commodity exposures . these losses include both realized and unrealized losses during 2009 and are partially offset by gains recognized in instruments that have been classified in levels 1 and 2 ; and net increase in derivative assets of $ 4.3 billion , which includes cash 2013 settlements of derivative contracts in an unrealized loss position , notably those linked to subprime exposures . the decrease in level 3 investments of $ 6.9 billion primarily 2022 resulted from : a reduction of $ 5.0 billion , due mainly to paydowns on debt 2013 securities and sales of private equity investments ; the net transfer of investment securities from level 3 to level 2 2013 of $ 1.5 billion , due to increased availability of observable pricing inputs ; and net losses recognized of $ 0.4 billion due mainly to losses on non- 2013 marketable equity securities including write-downs on private equity investments . the decrease in securities sold under agreements to repurchase of 2022 $ 9.1 billion is driven by a $ 8.6 billion net transfers from level 3 to level 2 as effective maturity dates on structured repos have shortened . the decrease in long-term debt of $ 1.5 billion is driven mainly by 2022 $ 1.3 billion of net terminations of structured notes . transfers between level 1 and level 2 of the fair value hierarchy the company did not have any significant transfers of assets or liabilities between levels 1 and 2 of the fair value hierarchy during 2010 . items measured at fair value on a nonrecurring basis certain assets and liabilities are measured at fair value on a nonrecurring basis and therefore are not included in the tables above . these include assets measured at cost that have been written down to fair value during the periods as a result of an impairment . in addition , these assets include loans held-for-sale that are measured at locom that were recognized at fair value below cost at the end of the period . the fair value of loans measured on a locom basis is determined where possible using quoted secondary-market prices . such loans are generally classified as level 2 of the fair value hierarchy given the level of activity in the market and the frequency of available quotes . if no such quoted price exists , the fair value of a loan is determined using quoted prices for a similar asset or assets , adjusted for the specific attributes of that loan . the following table presents all loans held-for-sale that are carried at locom as of december 31 , 2010 and 2009 : in billions of dollars aggregate cost fair value level 2 level 3 .

aggregate cost: december 31 2010: 3.1
december 31 2009: 2.5
fair value: december 31 2010: 2.5
december 31 2009: 1.6
level 2: december 31 2010: 0.7
december 31 2009: 0.3
level 3: december 31 2010: 1.8
december 31 2009: 1.3

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Questions:
what was the total of loans held-for-sale that are carried at locom in 2010?
and what was it in 2009?
how much, then, did the 2010 total represent in relation to this 2009 one?
and what is this representation as a portion of the 2009 total?
and from 2008 to that year, what was the amount of net terminations of structured notes?
and what was the decrease in long-term debt?
how much, then, does that amount represent in relation to this decrease?

Answers:
2.5
1.6
0.9
56.25%
1.3
1.5
0.86