672.29% is the change from 83 to 641
Calculation steps:
[( 641 - 83 ) ÷ 83] x 100 = 672.29%
Formula
Percentage change = [(641 - 83) / 83] x 100
Subtract the new number by the original number
641 - 83 = 558
558 ÷ 83 = 6.72289156626506
6.72289156626506 x 100 = 672.29%