636.99% is the change from 73 to 538
Calculation steps:
[( 538 - 73 ) ÷ 73] x 100 = 636.99%
Formula
Percentage change = [(538 - 73) / 73] x 100
Subtract the new number by the original number
538 - 73 = 465
465 ÷ 73 = 6.36986301369863
6.36986301369863 x 100 = 636.99%