-10.53% is the change from 817 to 731
Calculation steps:
[( 731 - 817 ) ÷ 817] x 100 = -10.53%
Formula
Percentage change = [(731 - 817) / 817] x 100
Subtract the new number by the original number
731 - 817 = -86
-86 ÷ 817 = -0.10526315789473684
-0.10526315789473684 x 100 = -10.53%