-88.52% is the change from 862 to 99
Calculation steps:
[( 99 - 862 ) ÷ 862] x 100 = -88.52%
Formula
Percentage change = [(99 - 862) / 862] x 100
Subtract the new number by the original number
99 - 862 = -763
-763 ÷ 862 = -0.8851508120649652
-0.8851508120649652 x 100 = -88.52%