-90.81% is the change from 958 to 88
Calculation steps:
[( 88 - 958 ) ÷ 958] x 100 = -90.81%
Formula
Percentage change = [(88 - 958) / 958] x 100
Subtract the new number by the original number
88 - 958 = -870
-870 ÷ 958 = -0.9081419624217119
-0.9081419624217119 x 100 = -90.81%