-8.14% is the change from 958 to 880
Calculation steps:
[( 880 - 958 ) ÷ 958] x 100 = -8.14%
Formula
Percentage change = [(880 - 958) / 958] x 100
Subtract the new number by the original number
880 - 958 = -78
-78 ÷ 958 = -0.081419624217119
-0.081419624217119 x 100 = -8.14%