-89.87% is the change from 958 to 97
Calculation steps:
[( 97 - 958 ) ÷ 958] x 100 = -89.87%
Formula
Percentage change = [(97 - 958) / 958] x 100
Subtract the new number by the original number
97 - 958 = -861
-861 ÷ 958 = -0.8987473903966597
-0.8987473903966597 x 100 = -89.87%