-96.24% is the change from 825 to 31
Calculation steps:
[( 31 - 825 ) ÷ 825] x 100 = -96.24%
Formula
Percentage change = [(31 - 825) / 825] x 100
Subtract the new number by the original number
31 - 825 = -794
-794 ÷ 825 = -0.9624242424242424
-0.9624242424242424 x 100 = -96.24%