-87.88% is the change from 825 to 100
Calculation steps:
[( 100 - 825 ) ÷ 825] x 100 = -87.88%
Formula
Percentage change = [(100 - 825) / 825] x 100
Subtract the new number by the original number
100 - 825 = -725
-725 ÷ 825 = -0.8787878787878788
-0.8787878787878788 x 100 = -87.88%