-88.93% is the change from 831 to 92
Calculation steps:
[( 92 - 831 ) ÷ 831] x 100 = -88.93%
Formula
Percentage change = [(92 - 831) / 831] x 100
Subtract the new number by the original number
92 - 831 = -739
-739 ÷ 831 = -0.8892900120336944
-0.8892900120336944 x 100 = -88.93%