-14.86% is the change from 976 to 831
Calculation steps:
[( 831 - 976 ) ÷ 976] x 100 = -14.86%
Formula
Percentage change = [(831 - 976) / 976] x 100
Subtract the new number by the original number
831 - 976 = -145
-145 ÷ 976 = -0.14856557377049182
-0.14856557377049182 x 100 = -14.86%