-94.91% is the change from 825 to 42
Calculation steps:
[( 42 - 825 ) ÷ 825] x 100 = -94.91%
Formula
Percentage change = [(42 - 825) / 825] x 100
Subtract the new number by the original number
42 - 825 = -783
-783 ÷ 825 = -0.9490909090909091
-0.9490909090909091 x 100 = -94.91%