Please answer the given financial question based on the context.
Context: the company granted 1020 performance shares . the vesting of these shares is contingent on meeting stated goals over a performance period . beginning with restricted stock grants in september 2010 , dividends are accrued on restricted class a common stock and restricted stock units and are paid once the restricted stock vests . the following table summarizes restricted stock and performance shares activity for 2010 : number of shares weighted average grant date fair value .
||number of shares|weighted average grant date fair value|
|outstanding at december 31 2009|116677|$ 280|
|granted|134245|275|
|vested|-34630 ( 34630 )|257|
|cancelled|-19830 ( 19830 )|260|
|outstanding at december 31 2010|196462|283|
the total fair value of restricted stock that vested during the years ended december 31 , 2010 , 2009 and 2008 , was $ 10.3 million , $ 6.2 million and $ 2.5 million , respectively . eligible employees may acquire shares of cme group 2019s class a common stock using after-tax payroll deductions made during consecutive offering periods of approximately six months in duration . shares are purchased at the end of each offering period at a price of 90% ( 90 % ) of the closing price of the class a common stock as reported on the nasdaq . compensation expense is recognized on the dates of purchase for the discount from the closing price . in 2010 , 2009 and 2008 , a total of 4371 , 4402 and 5600 shares , respectively , of class a common stock were issued to participating employees . these shares are subject to a six-month holding period . annual expense of $ 0.1 million for the purchase discount was recognized in 2010 , 2009 and 2008 , respectively . non-executive directors receive an annual award of class a common stock with a value equal to $ 75000 . non-executive directors may also elect to receive some or all of the cash portion of their annual stipend , up to $ 25000 , in shares of stock based on the closing price at the date of distribution . as a result , 7470 , 11674 and 5509 shares of class a common stock were issued to non-executive directors during 2010 , 2009 and 2008 , respectively . these shares are not subject to any vesting restrictions . expense of $ 2.4 million , $ 2.5 million and $ 2.4 million related to these stock-based payments was recognized for the years ended december 31 , 2010 , 2009 and 2008 , respectively. .
Question: based on the summary of the restricted stock and performance shares activity for 2010 what was percentage change in the number of shares outstanding


Answer: The answer is:0.68381