-89.39% is the change from 801 to 85
Calculation steps:
[( 85 - 801 ) ÷ 801] x 100 = -89.39%
Formula
Percentage change = [(85 - 801) / 801] x 100
Subtract the new number by the original number
85 - 801 = -716
-716 ÷ 801 = -0.8938826466916354
-0.8938826466916354 x 100 = -89.39%