519.19% is the change from 99 to 613
Calculation steps:
[( 613 - 99 ) ÷ 99] x 100 = 519.19%
Formula
Percentage change = [(613 - 99) / 99] x 100
Subtract the new number by the original number
613 - 99 = 514
514 ÷ 99 = 5.191919191919192
5.191919191919192 x 100 = 519.19%