-99.39% is the change from 825 to 5
Calculation steps:
[( 5 - 825 ) ÷ 825] x 100 = -99.39%
Formula
Percentage change = [(5 - 825) / 825] x 100
Subtract the new number by the original number
5 - 825 = -820
-820 ÷ 825 = -0.9939393939393939
-0.9939393939393939 x 100 = -99.39%