617.33% is the change from 75 to 538
Calculation steps:
[( 538 - 75 ) ÷ 75] x 100 = 617.33%
Formula
Percentage change = [(538 - 75) / 75] x 100
Subtract the new number by the original number
538 - 75 = 463
463 ÷ 75 = 6.173333333333333
6.173333333333333 x 100 = 617.33%