-96.97% is the change from 825 to 25
Calculation steps:
[( 25 - 825 ) ÷ 825] x 100 = -96.97%
Formula
Percentage change = [(25 - 825) / 825] x 100
Subtract the new number by the original number
25 - 825 = -800
-800 ÷ 825 = -0.9696969696969697
-0.9696969696969697 x 100 = -96.97%