597.8% is the change from 91 to 635
Calculation steps:
[( 635 - 91 ) ÷ 91] x 100 = 597.8%
Formula
Percentage change = [(635 - 91) / 91] x 100
Subtract the new number by the original number
635 - 91 = 544
544 ÷ 91 = 5.978021978021978
5.978021978021978 x 100 = 597.8%