584.71% is the change from 85 to 582
Calculation steps:
[( 582 - 85 ) ÷ 85] x 100 = 584.71%
Formula
Percentage change = [(582 - 85) / 85] x 100
Subtract the new number by the original number
582 - 85 = 497
497 ÷ 85 = 5.847058823529411
5.847058823529411 x 100 = 584.71%