-13.8% is the change from 964 to 831
Calculation steps:
[( 831 - 964 ) ÷ 964] x 100 = -13.8%
Formula
Percentage change = [(831 - 964) / 964] x 100
Subtract the new number by the original number
831 - 964 = -133
-133 ÷ 964 = -0.13796680497925312
-0.13796680497925312 x 100 = -13.8%