640.85% is the change from 71 to 526
Calculation steps:
[( 526 - 71 ) ÷ 71] x 100 = 640.85%
Formula
Percentage change = [(526 - 71) / 71] x 100
Subtract the new number by the original number
526 - 71 = 455
455 ÷ 71 = 6.408450704225352
6.408450704225352 x 100 = 640.85%