-12.73% is the change from 958 to 836
Calculation steps:
[( 836 - 958 ) ÷ 958] x 100 = -12.73%
Formula
Percentage change = [(836 - 958) / 958] x 100
Subtract the new number by the original number
836 - 958 = -122
-122 ÷ 958 = -0.12734864300626306
-0.12734864300626306 x 100 = -12.73%