the following unaudited pro forma information for the years ended december 31 , 2008 and 2007 pres- ents the results of operations of international paper as if the cbpr and central lewmar acquisitions , and the luiz antonio asset exchange , had occurred on january 1 , 2007 .
this pro forma information does not purport to represent international paper 2019s actual results of operations if the transactions described above would have occurred on january 1 , 2007 , nor is it necessarily indicative of future results .
in millions , except per share amounts 2008 2007 .

<i>In millions, except per share amounts</i>
2008
2007
Net sales
$27,920
$27,489
Earnings (loss) from continuingoperations
(1,348)
1,083
Net earnings (loss) (1)
(1,361)
1,052
Earnings (loss) from continuingoperations per common share
(3.20)
2.50
Net earnings (loss) per common share<sup>(1)</sup>
(3.23)
2.43

earnings ( loss ) from continuing operations per common share ( 3.20 ) 2.50 net earnings ( loss ) per common share ( 1 ) ( 3.23 ) 2.43 ( 1 ) attributable to international paper company common share- holders .
joint ventures in october 2007 , international paper and ilim holding s.a .
announced the completion of the formation of a 50:50 joint venture to operate in russia as ilim group .
to form the joint venture , international paper purchased 50% ( 50 % ) of ilim holding s.a .
( ilim ) for approx- imately $ 620 million , including $ 545 million in cash and $ 75 million of notes payable , and contributed an additional $ 21 million in 2008 .
the company 2019s investment in ilim totaled approximately $ 465 mil- lion at december 31 , 2009 , which is approximately $ 190 million higher than the company 2019s share of the underlying net assets of ilim .
this basis difference primarily consists of the estimated fair value write-up of ilim plant , property and equipment of $ 150 million that is being amortized as a reduction of reported net income over the estimated remaining useful lives of the related assets , goodwill of $ 90 million and other basis differences of $ 50 million , including deferred taxes .
a key element of the proposed joint venture strategy is a long-term investment program in which the joint venture will invest , through cash from operations and additional borrowings by the joint venture , approximately $ 1.5 billion in ilim 2019s three mills over approximately five years .
this planned investment in the russian pulp and paper industry will be used to upgrade equipment , increase production capacity and allow for new high-value uncoated paper , pulp and corrugated packaging product development .
this capital expansion strategy is expected to be ini- tiated in the second half of 2010 , subject to ilim obtaining financing sufficient to fund the project .
note 7 businesses held for sale , divestitures and impairments discontinued operations 2008 : during the fourth quarter of 2008 , the com- pany recorded pre-tax gains of $ 9 million ( $ 5 million after taxes ) for adjustments to reserves associated with the sale of discontinued operations .
during the first quarter of 2008 , the company recorded a pre-tax charge of $ 25 million ( $ 16 million after taxes ) related to the final settlement of a post- closing adjustment to the purchase price received by the company for the sale of its beverage packaging business , and a $ 3 million charge before taxes ( $ 2 million after taxes ) for 2008 operating losses related to certain wood products facilities .
2007 : during the fourth quarter of 2007 , the com- pany recorded a pre-tax charge of $ 9 million ( $ 6 mil- lion after taxes ) and a pre-tax credit of $ 4 million ( $ 3 million after taxes ) relating to adjustments to esti- mated losses on the sales of its beverage packaging and wood products businesses , respectively .
addi- tionally , during the fourth quarter , a $ 4 million pre-tax charge ( $ 3 million after taxes ) was recorded for additional taxes associated with the sale of the company 2019s former weldwood of canada limited business .
during the third quarter of 2007 , the company com- pleted the sale of the remainder of its non-u.s .
beverage packaging business .
during the second quarter of 2007 , the company recorded pre-tax charges of $ 6 million ( $ 4 million after taxes ) and $ 5 million ( $ 3 million after taxes ) relating to adjustments to estimated losses on the sales of its wood products and beverage packaging businesses , respectively .
during the first quarter of 2007 , the company recorded pre-tax credits of $ 21 million ( $ 9 million after taxes ) and $ 6 million ( $ 4 million after taxes ) relating to the sales of its wood products and kraft papers businesses , respectively .
in addition , a $ 15 million pre-tax charge ( $ 39 million after taxes ) was recorded for adjustments to the loss on the com- pletion of the sale of most of the beverage packaging business .
finally , a pre-tax credit of approximately $ 10 million ( $ 6 million after taxes ) was recorded for refunds received from the canadian government of .

Question: Analyse this data from a financial earnings document. what was the change in pro forma net earnings ( loss ) per common share between 2007 and 2008?
Choices:
-0.8
5.66
-5.63
-7.85
-5.66
Correct choice index: 4