-10.93% is the change from 933 to 831
Calculation steps:
[( 831 - 933 ) ÷ 933] x 100 = -10.93%
Formula
Percentage change = [(831 - 933) / 933] x 100
Subtract the new number by the original number
831 - 933 = -102
-102 ÷ 933 = -0.10932475884244373
-0.10932475884244373 x 100 = -10.93%