-88.97% is the change from 825 to 91
Calculation steps:
[( 91 - 825 ) ÷ 825] x 100 = -88.97%
Formula
Percentage change = [(91 - 825) / 825] x 100
Subtract the new number by the original number
91 - 825 = -734
-734 ÷ 825 = -0.8896969696969697
-0.8896969696969697 x 100 = -88.97%