-86.55% is the change from 632 to 85
Calculation steps:
[( 85 - 632 ) ÷ 632] x 100 = -86.55%
Formula
Percentage change = [(85 - 632) / 632] x 100
Subtract the new number by the original number
85 - 632 = -547
-547 ÷ 632 = -0.865506329113924
-0.865506329113924 x 100 = -86.55%