-13.6% is the change from 831 to 718
Calculation steps:
[( 718 - 831 ) ÷ 831] x 100 = -13.6%
Formula
Percentage change = [(718 - 831) / 831] x 100
Subtract the new number by the original number
718 - 831 = -113
-113 ÷ 831 = -0.13598074608904934
-0.13598074608904934 x 100 = -13.6%