{"pre_text": ["capital resources and liquidity capital resources overview capital is generally generated via earnings from operating businesses .", "this is augmented through issuance of common stock , convertible preferred stock , preferred stock , subordinated debt , and equity issued through awards under employee benefit plans .", "capital is used primarily to support assets in the company 2019s businesses and to absorb unexpected market , credit or operational losses .", "the company 2019s uses of capital , particularly to pay dividends and repurchase common stock , became severely restricted during the latter half of 2008 .", "see 201cthe company , 201d 201cmanagement 2019s discussion and analysis 2013 events in 2008 , 201d 201ctarp and other regulatory programs , 201d 201crisk factors 201d and 201ccommon equity 201d on pages 2 , 9 , 44 , 47 and 95 , respectively .", "citigroup 2019s capital management framework is designed to ensure that citigroup and its principal subsidiaries maintain sufficient capital consistent with the company 2019s risk profile , all applicable regulatory standards and guidelines , and external rating agency considerations .", "the capital management process is centrally overseen by senior management and is reviewed at the consolidated , legal entity , and country level .", "senior management oversees the capital management process of citigroup and its principal subsidiaries mainly through citigroup 2019s finance and asset and liability committee ( finalco ) .", "the committee is composed of the senior-most management of citigroup for the purpose of engaging management in decision-making and related discussions on capital and liquidity items .", "among other things , the committee 2019s responsibilities include : determining the financial structure of citigroup and its principal subsidiaries ; ensuring that citigroup and its regulated entities are adequately capitalized ; determining appropriate asset levels and return hurdles for citigroup and individual businesses ; reviewing the funding and capital markets plan for citigroup ; and monitoring interest-rate risk , corporate and bank liquidity , the impact of currency translation on non-u.s .", "earnings and capital .", "the finalco has established capital targets for citigroup and for significant subsidiaries .", "at december 31 , 2008 , these targets exceeded the regulatory standards .", "common and preferred stock issuances as discussed under 201cevents in 2008 201d on page 9 , during 2008 , the company issued $ 45 billion in preferred stock and warrants under tarp , $ 12.5 billion of convertible preferred stock in a private offering , $ 11.7 billion of non-convertible preferred stock in public offerings , $ 3.2 billion of convertible preferred stock in public offerings , and $ 4.9 billion of common stock in public offerings .", "on january 23 , 2009 , pursuant to our prior agreement with the purchasers of the $ 12.5 billion convertible preferred stock issued in the private offering , the conversion price was reset from $ 31.62 per share to $ 26.35 per share .", "the reset will result in citigroup 2019s issuing approximately 79 million additional common shares if converted .", "there will be no impact to net income , total stockholders 2019 equity or capital ratios due to the reset .", "however , the reset will result in a reclassification from retained earnings to additional paid-in capital of $ 1.2 billion to reflect the benefit of the reset to the preferred stockholders .", "capital ratios citigroup is subject to risk-based capital ratio guidelines issued by the federal reserve board ( frb ) .", "capital adequacy is measured via two risk- based ratios , tier 1 and total capital ( tier 1 + tier 2 capital ) .", "tier 1 capital is considered core capital while total capital also includes other items such as subordinated debt and loan loss reserves .", "both measures of capital are stated as a percentage of risk-weighted assets .", "risk-weighted assets are measured primarily on their perceived credit risk and include certain off-balance-sheet exposures , such as unfunded loan commitments and letters of credit , and the notional amounts of derivative and foreign- exchange contracts .", "citigroup is also subject to the leverage ratio requirement , a non-risk-based asset ratio , which is defined as tier 1 capital as a percentage of adjusted average assets .", "to be 201cwell capitalized 201d under federal bank regulatory agency definitions , a bank holding company must have a tier 1 capital ratio of at least 6% ( 6 % ) , a total capital ratio of at least 10% ( 10 % ) , and a leverage ratio of at least 3% ( 3 % ) , and not be subject to an frb directive to maintain higher capital levels .", "as noted in the following table , citigroup maintained a 201cwell capitalized 201d position during both 2008 and 2007 .", "citigroup regulatory capital ratios at year end 2008 2007 ."], "post_text": ["leverage ( 1 ) 6.08 4.03 ( 1 ) tier 1 capital divided by adjusted average assets .", "events occurring during 2008 , including the transactions with the u.s .", "government , affected citigroup 2019s capital ratios , and any additional u.s .", "government financial involvement with the company could further impact the company 2019s capital ratios .", "in addition , future operations will affect capital levels , and changes that the fasb has proposed regarding off-balance-sheet assets , consolidation and sale treatment could also have an impact on capital ratios .", "see also note 23 to the consolidated financial statements on page 175 , including 201cfunding liquidity facilities and subordinate interests . 201d ."], "table": [["at year end", "2008", "2007"], ["tier 1 capital", "11.92% ( 11.92 % )", "7.12% ( 7.12 % )"], ["total capital ( tier 1 and tier 2 )", "15.70", "10.70"], ["leverage ( 1 )", "6.08", "4.03"]], "table_ori": [["<i>At year end</i>", "2008", "2007"], ["Tier 1 Capital", "11.92%", "7.12%"], ["Total Capital (Tier 1 and Tier 2)", "15.70", "10.70"], ["Leverage<sup>(1</sup><sup>)</sup>", "6.08", "4.03"]]}

Question: what was the change in tier 1 capital % (  % ) from 2007 to 2008?
Evidence:
table_1: at year end the tier 1 capital of 2008 is 11.92% ( 11.92 % ) ; the tier 1 capital of 2007 is 7.12% ( 7.12 % ) ;
Program: subtract(11.92%, 7.12%)
Answer:
str_answer: 4.8%
exe_answer: 0.048