Question 557610
I'm going to ignore the "billions" part for now and assume every number is in billions (eg: when i say 16, i mean 16 billion)



Percent Increase = 100* [ (New Amount - Old Amount)/(Old Amount) ]



Percent Increase = 100* [ (495-82)/(82) ] 



Percent Increase = 100*413/82 



Percent Increase = 100*5.036585 



Percent Increase = 503.6585%



So the percent increase is 503.6585%


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