798.82% is the change from 85 to 764
Calculation steps:
[( 764 - 85 ) ÷ 85] x 100 = 798.82%
Formula
Percentage change = [(764 - 85) / 85] x 100
Subtract the new number by the original number
764 - 85 = 679
679 ÷ 85 = 7.988235294117647
7.988235294117647 x 100 = 798.82%