538.55% is the change from 83 to 530
Calculation steps:
[( 530 - 83 ) ÷ 83] x 100 = 538.55%
Formula
Percentage change = [(530 - 83) / 83] x 100
Subtract the new number by the original number
530 - 83 = 447
447 ÷ 83 = 5.385542168674699
5.385542168674699 x 100 = 538.55%