-90.42% is the change from 887 to 85
Calculation steps:
[( 85 - 887 ) ÷ 887] x 100 = -90.42%
Formula
Percentage change = [(85 - 887) / 887] x 100
Subtract the new number by the original number
85 - 887 = -802
-802 ÷ 887 = -0.9041713641488163
-0.9041713641488163 x 100 = -90.42%