Financial report context:
n o t e s t o c o n s o l i d a t e d f i n a n c i a l s t a t e m e n t s ( continued ) ace limited and subsidiaries the following table shows changes in the company 2019s restricted stock for the years ended december 31 , 2008 , 2007 , and 2006 : number of restricted stock weighted average grant- date fair value .

Financial table:
number of restricted stock: unvested restricted stock december 31 2005; weighted average grant- date fair value: 3488668; column_3: $ 41.26
number of restricted stock: granted; weighted average grant- date fair value: 1632504; column_3: $ 56.05
number of restricted stock: vested and issued; weighted average grant- date fair value: -1181249 ( 1181249 ); column_3: $ 40.20
number of restricted stock: forfeited; weighted average grant- date fair value: -360734 ( 360734 ); column_3: $ 44.04
number of restricted stock: unvested restricted stock december 31 2006; weighted average grant- date fair value: 3579189; column_3: $ 48.07
number of restricted stock: granted; weighted average grant- date fair value: 1818716; column_3: $ 56.45
number of restricted stock: vested and issued; weighted average grant- date fair value: -1345412 ( 1345412 ); column_3: $ 44.48
number of restricted stock: forfeited; weighted average grant- date fair value: -230786 ( 230786 ); column_3: $ 51.57
number of restricted stock: unvested restricted stock december 31 2007; weighted average grant- date fair value: 3821707; column_3: $ 53.12
number of restricted stock: granted; weighted average grant- date fair value: 1836532; column_3: $ 59.84
number of restricted stock: vested and issued; weighted average grant- date fair value: -1403826 ( 1403826 ); column_3: $ 50.96
number of restricted stock: forfeited; weighted average grant- date fair value: -371183 ( 371183 ); column_3: $ 53.75
number of restricted stock: unvested restricted stock december 31 2008; weighted average grant- date fair value: 3883230; column_3: $ 57.01

Additional report context:
under the provisions of fas 123r , the recognition of deferred compensation , a contra-equity account representing the amount of unrecognized restricted stock expense that is reduced as expense is recognized , at the date restricted stock is granted is no longer permitted . therefore , upon adoption of fas 123r , the amount of deferred compensation that had been reflected in unearned stock grant compensation was reclassified to additional paid-in capital in the company 2019s consolidated balance sheet . restricted stock units the company 2019s 2004 ltip also provides for grants of other awards , including restricted stock units . the company generally grants restricted stock units with a 4-year vesting period , based on a graded vesting schedule . each restricted stock unit repre- sents the company 2019s obligation to deliver to the holder one share of common shares upon vesting . during 2008 , the company awarded 223588 restricted stock units to officers of the company and its subsidiaries with a weighted-average grant date fair value of $ 59.93 . during 2007 , 108870 restricted stock units , with a weighted-average grant date fair value of $ 56.29 were awarded to officers of the company and its subsidiaries . during 2006 , 83370 restricted stock units , with a weighted-average grant date fair value of $ 56.36 were awarded to officers of the company and its subsidiaries . the company also grants restricted stock units with a 1-year vesting period to non-management directors . delivery of common shares on account of these restricted stock units to non-management directors is deferred until six months after the date of the non-management directors 2019 termination from the board . during 2008 , 2007 , and 2006 , 40362 restricted stock units , 29676 restricted stock units , and 23092 restricted stock units , respectively , were awarded to non-management direc- the espp gives participating employees the right to purchase common shares through payroll deductions during consecutive 201csubscription periods . 201d annual purchases by participants are limited to the number of whole shares that can be purchased by an amount equal to ten percent of the participant 2019s compensation or $ 25000 , whichever is less . the espp has two six-month subscription periods , the first of which runs between january 1 and june 30 and the second of which runs between july 1 and december 31 of each year . the amounts that have been collected from participants during a subscription period are used on the 201cexercise date 201d to purchase full shares of common shares . an exercise date is generally the last trading day of a sub- scription period . the number of shares purchased is equal to the total amount , as of the exercise date , that has been collected from the participants through payroll deductions for that subscription period , divided by the 201cpurchase price 201d , rounded down to the next full share . effective for and from the second subscription period of 2007 , the purchase price is 85 percent of the fair value of a common share on the exercise date . prior to the second subscription period of 2007 , the purchase price was calculated as the lower of ( i ) 85 percent of the fair value of a common share on the first day of the subscription period , or .

Question: what is the net change in the number of unvested restricted stocks in 2007?
Answer: 242518