-15.38% is the change from 982 to 831
Calculation steps:
[( 831 - 982 ) ÷ 982] x 100 = -15.38%
Formula
Percentage change = [(831 - 982) / 982] x 100
Subtract the new number by the original number
831 - 982 = -151
-151 ÷ 982 = -0.15376782077393075
-0.15376782077393075 x 100 = -15.38%