-20.48% is the change from 825 to 656
Calculation steps:
[( 656 - 825 ) ÷ 825] x 100 = -20.48%
Formula
Percentage change = [(656 - 825) / 825] x 100
Subtract the new number by the original number
656 - 825 = -169
-169 ÷ 825 = -0.20484848484848484
-0.20484848484848484 x 100 = -20.48%