-13.08% is the change from 956 to 831
Calculation steps:
[( 831 - 956 ) ÷ 956] x 100 = -13.08%
Formula
Percentage change = [(831 - 956) / 956] x 100
Subtract the new number by the original number
831 - 956 = -125
-125 ÷ 956 = -0.1307531380753138
-0.1307531380753138 x 100 = -13.08%