-82.5% is the change from 863 to 151
Calculation steps:
[( 151 - 863 ) ÷ 863] x 100 = -82.5%
Formula
Percentage change = [(151 - 863) / 863] x 100
Subtract the new number by the original number
151 - 863 = -712
-712 ÷ 863 = -0.8250289687137891
-0.8250289687137891 x 100 = -82.5%