-90.91% is the change from 825 to 75
Calculation steps:
[( 75 - 825 ) ÷ 825] x 100 = -90.91%
Formula
Percentage change = [(75 - 825) / 825] x 100
Subtract the new number by the original number
75 - 825 = -750
-750 ÷ 825 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%