-12.98% is the change from 955 to 831
Calculation steps:
[( 831 - 955 ) ÷ 955] x 100 = -12.98%
Formula
Percentage change = [(831 - 955) / 955] x 100
Subtract the new number by the original number
831 - 955 = -124
-124 ÷ 955 = -0.12984293193717278
-0.12984293193717278 x 100 = -12.98%