-12.55% is the change from 932 to 815
Calculation steps:
[( 815 - 932 ) ÷ 932] x 100 = -12.55%
Formula
Percentage change = [(815 - 932) / 932] x 100
Subtract the new number by the original number
815 - 932 = -117
-117 ÷ 932 = -0.1255364806866953
-0.1255364806866953 x 100 = -12.55%