489.41% is the change from 85 to 501
Calculation steps:
[( 501 - 85 ) ÷ 85] x 100 = 489.41%
Formula
Percentage change = [(501 - 85) / 85] x 100
Subtract the new number by the original number
501 - 85 = 416
416 ÷ 85 = 4.894117647058824
4.894117647058824 x 100 = 489.41%