850.59% is the change from 85 to 808
Calculation steps:
[( 808 - 85 ) ÷ 85] x 100 = 850.59%
Formula
Percentage change = [(808 - 85) / 85] x 100
Subtract the new number by the original number
808 - 85 = 723
723 ÷ 85 = 8.505882352941176
8.505882352941176 x 100 = 850.59%