disclosure of , the issuance of certain types of guarantees . the adoption of fasb interpretation no . 45 did not have a signif- icant impact on the net income or equity of the company . in january 2003 , fasb interpretation no . 46 , 201cconsolidation of variable interest entities , an interpretation of arb 51 , 201d was issued . the primary objectives of this interpretation , as amended , are to provide guidance on the identification and consolidation of variable interest entities , or vies , which are entities for which control is achieved through means other than through voting rights . the company has completed an analysis of this interpretation and has determined that it does not have any vies . 4 . acquisitions family health plan , inc . effective january 1 , 2004 , the company commenced opera- tions in ohio through the acquisition from family health plan , inc . of certain medicaid-related assets for a purchase price of approximately $ 6800 . the cost to acquire the medicaid-related assets will be allocated to the assets acquired and liabilities assumed according to estimated fair values . hmo blue texas effective august 1 , 2003 , the company acquired certain medicaid-related contract rights of hmo blue texas in the san antonio , texas market for $ 1045 . the purchase price was allocated to acquired contracts , which are being amor- tized on a straight-line basis over a period of five years , the expected period of benefit . group practice affiliates during 2003 , the company acquired a 100% ( 100 % ) ownership interest in group practice affiliates , llc , a behavioral healthcare services company ( 63.7% ( 63.7 % ) in march 2003 and 36.3% ( 36.3 % ) in august 2003 ) . the consolidated financial state- ments include the results of operations of gpa since march 1 , 2003 . the company paid $ 1800 for its purchase of gpa . the cost to acquire the ownership interest has been allocated to the assets acquired and liabilities assumed according to estimated fair values and is subject to adjustment when additional information concerning asset and liability valuations are finalized . the preliminary allocation has resulted in goodwill of approximately $ 3895 . the goodwill is not amortized and is not deductible for tax purposes . pro forma disclosures related to the acquisition have been excluded as immaterial . scriptassist in march 2003 , the company purchased contract and name rights of scriptassist , llc ( scriptassist ) , a medication com- pliance company . the purchase price of $ 563 was allocated to acquired contracts , which are being amortized on a straight-line basis over a period of five years , the expected period of benefit . the investor group who held membership interests in scriptassist included one of the company 2019s executive officers . university health plans , inc . on december 1 , 2002 , the company purchased 80% ( 80 % ) of the outstanding capital stock of university health plans , inc . ( uhp ) in new jersey . in october 2003 , the company exercised its option to purchase the remaining 20% ( 20 % ) of the outstanding capital stock . centene paid a total purchase price of $ 13258 . the results of operations for uhp are included in the consolidated financial statements since december 1 , 2002 . the acquisition of uhp resulted in identified intangible assets of $ 3800 , representing purchased contract rights and provider network . the intangibles are being amortized over a ten-year period . goodwill of $ 7940 is not amortized and is not deductible for tax purposes . changes during 2003 to the preliminary purchase price allocation primarily consisted of the purchase of the remaining 20% ( 20 % ) of the outstanding stock and the recognition of intangible assets and related deferred tax liabilities . the following unaudited pro forma information presents the results of operations of centene and subsidiaries as if the uhp acquisition described above had occurred as of january 1 , 2001 . these pro forma results may not necessar- ily reflect the actual results of operations that would have been achieved , nor are they necessarily indicative of future results of operations. .

Table: 2002 2001 revenue $ 567048 $ 395155 net earnings 25869 11573 diluted earnings per common share 1.48 1.00

diluted earnings per common share 1.48 1.00 texas universities health plan in june 2002 , the company purchased schip contracts in three texas service areas . the cash purchase price of $ 595 was recorded as purchased contract rights , which are being amortized on a straight-line basis over five years , the expected period of benefit . bankers reserve in march 2002 , the company acquired bankers reserve life insurance company of wisconsin for a cash purchase price of $ 3527 . the company allocated the purchase price to net tangible and identifiable intangible assets based on their fair value . centene allocated $ 479 to identifiable intangible assets , representing the value assigned to acquired licenses , which are being amortized on a straight-line basis over a notes to consolidated financial statements ( continued ) centene corporation and subsidiaries .

Question: what was the percentage change in pro forma diluted earnings per common share from 2001 to 2002?
Answer: 48%
Calculation: divide(subtract(1.48, 1.00), 1.00)