582.35% is the change from 85 to 580
Calculation steps:
[( 580 - 85 ) ÷ 85] x 100 = 582.35%
Formula
Percentage change = [(580 - 85) / 85] x 100
Subtract the new number by the original number
580 - 85 = 495
495 ÷ 85 = 5.823529411764706
5.823529411764706 x 100 = 582.35%