Can someone explain how the person got the answer for Change in Exchange Rate Per Region?

GO P in Millions Percentage Change in Percentage Change in Exchange Country US Dollars of GDP Currency 2011 2010 Exchange Rates Change Rate Per Region Euro Zone $8,567,836 al Germany $3,600,833 b) France 27% Euro 1.3369 1.2739 $2,773,032 0.0630 4.9465% 1.3196% c) Italy $2,193,971 China $7,318,499 23% Yuan 0.1485 0.1418 0.0067 4.7237% 1.0764 Japan $5,867.154 18% Yen 0.0121 0.0109 0.0011 10.1422% 1.8528% Brazil $2,476.652 8% Real 0.5741 0.5441 0.030 0 5.5109% 0.4250% United Kingdom $2,445,408 8% Pound 1.5408 1.4859 0.0549 3.6980% 0.2816% Russia $1,857,770 6% Rouble 0.0327 0.0316 0.0011 3.3468% 0.1936% India $1,847,977 6% Rupee 0.0204 0.0209 0.0006 2.7481% -0.1581% Canada $1,736,051 5% Dollar 0.97 18 0.9328 0.0390 4.1788% 0.2259% Total $32,117,347 100% 5.2166%