pre_text: issuer purchases of equity securities the following table provides information about purchases by us during the three months ended december 31 , 2013 of equity securities that are registered by us pursuant to section 12 of the exchange act : period total number of shares purchased ( 1 ) average price paid per share total number of shares purchased as part of publicly announced plans or programs ( 1 ) ( 2 ) dollar value of shares that may yet be purchased under the plans or programs ( 1 ) .
post_text: ( 1 ) as announced on may 1 , 2013 , in april 2013 , the board of directors replaced its previously approved share repurchase authorization of up to $ 1 billion with a current authorization for repurchases of up to $ 1 billion of our common shares exclusive of shares repurchased in connection with employee stock plans , expiring on june 30 , 2015 . under the current share repurchase authorization , shares may be purchased from time to time at prevailing prices in the open market , by block purchases , or in privately-negotiated transactions , subject to certain regulatory restrictions on volume , pricing , and timing . as of february 1 , 2014 , the remaining authorized amount under the current authorization totaled approximately $ 580 million . ( 2 ) excludes 0.1 million shares repurchased in connection with employee stock plans. .
table: Period Total Number of Shares Purchased (1) Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly AnnouncedPlans or Programs (1)(2) Dollar Value of Shares that May Yet Be Purchased Under the Plans orPrograms (1)
table: October 2013 0 $0 0 $781,118,739
table: November 2013 1,191,867 98.18 1,191,867 664,123,417
table: December 2013 802,930 104.10 802,930 580,555,202
table: Total 1,994,797 $100.56 1,994,797
question: Analyse this data from a financial earnings document. what is the percentual increase observed in the average price paid per share during november and december of 2013?