{"pre_text": ["notes to consolidated financial statements ( continued ) as of 2012 year end there was $ 10.2 million of unrecognized compensation cost related to non-vested stock option compensation arrangements that is expected to be recognized as a charge to earnings over a weighted-average period of 1.8 years .", "performance awards performance awards , which are granted as performance share units and performance-based rsus , are earned and expensed using the fair value of the award over a contractual term of three years based on the company 2019s performance .", "vesting of the performance awards is dependent upon performance relative to pre-defined goals for revenue growth and return on net assets for the applicable performance period .", "for performance achieved above a certain level , the recipient may earn additional shares of stock , not to exceed 100% ( 100 % ) of the number of performance awards initially granted .", "the performance share units have a three year performance period based on the results of the consolidated financial metrics of the company .", "the performance-based rsus have a one year performance period based on the results of the consolidated financial metrics of the company followed by a two year cliff vesting schedule .", "the fair value of performance awards is calculated using the market value of a share of snap-on 2019s common stock on the date of grant .", "the weighted-average grant date fair value of performance awards granted during 2012 , 2011 and 2010 was $ 60.00 , $ 55.97 and $ 41.01 , respectively .", "vested performance share units approximated 213000 shares as of 2012 year end and 54208 shares as of 2011 year end ; there were no vested performance share units as of 2010 year end .", "performance share units of 53990 shares were paid out in 2012 ; no performance share units were paid out in 2011 or 2010 .", "earned performance share units are generally paid out following the conclusion of the applicable performance period upon approval by the organization and executive compensation committee of the company 2019s board of directors ( the 201cboard 201d ) .", "based on the company 2019s 2012 performance , 95047 rsus granted in 2012 were earned ; assuming continued employment , these rsus will vest at the end of fiscal 2014 .", "based on the company 2019s 2011 performance , 159970 rsus granted in 2011 were earned ; assuming continued employment , these rsus will vest at the end of fiscal 2013 .", "based on the company 2019s 2010 performance , 169921 rsus granted in 2010 were earned ; these rsus vested as of fiscal 2012 year end and were paid out shortly thereafter .", "as a result of employee retirements , 2706 of the rsus earned in 2010 vested pursuant to the terms of the related award agreements and were paid out in the first quarter of 2011 .", "the changes to the company 2019s non-vested performance awards in 2012 are as follows : shares ( in thousands ) fair value price per share* ."], "post_text": ["* weighted-average as of 2012 year end there was approximately $ 14.1 million of unrecognized compensation cost related to non-vested performance awards that is expected to be recognized as a charge to earnings over a weighted-average period of 1.6 years .", "stock appreciation rights ( 201csars 201d ) the company also issues sars to certain key non-u.s .", "employees .", "sars are granted with an exercise price equal to the market value of a share of snap-on 2019s common stock on the date of grant and have a contractual term of ten years and vest ratably on the first , second and third anniversaries of the date of grant .", "sars provide for the cash payment of the excess of the fair market value of snap-on 2019s common stock price on the date of exercise over the grant price .", "sars have no effect on dilutive shares or shares outstanding as any appreciation of snap-on 2019s common stock value over the grant price is paid in cash and not in common stock .", "100 snap-on incorporated ."], "table": [["", "shares ( in thousands )", "fair valueprice pershare*"], ["non-vested performance awards at beginning of year", "707", "$ 48.87"], ["granted", "203", "60.00"], ["vested", "-379 ( 379 )", "41.01"], ["cancellations and other", "-22 ( 22 )", "44.93"], ["non-vested performance awards at end of year", "509", "59.36"]], "table_ori": [["", "Shares<i>(in thousands)</i>", "Fair ValuePrice perShare*"], ["Non-vested performance awards at beginning of year", "707", "$48.87"], ["Granted", "203", "60.00"], ["Vested", "(379)", "41.01"], ["Cancellations and other", "(22)", "44.93"], ["Non-vested performance awards at end of year", "509", "59.36"]]}

Question: in 2012 what was the percent change in the number of shares that was not vested
Evidence:
table_1: the non-vested performance awards at beginning of year of shares ( in thousands ) is 707 ; the non-vested performance awards at beginning of year of fair valueprice pershare* is $ 48.87 ;
table_5: the non-vested performance awards at end of year of shares ( in thousands ) is 509 ; the non-vested performance awards at end of year of fair valueprice pershare* is 59.36 ;
Program: subtract(509, 707), subtract(#0, 707)
Answer:
str_answer: -28%
exe_answer: -905