-81.58% is the change from 798 to 147
Calculation steps:
[( 147 - 798 ) ÷ 798] x 100 = -81.58%
Formula
Percentage change = [(147 - 798) / 798] x 100
Subtract the new number by the original number
147 - 798 = -651
-651 ÷ 798 = -0.8157894736842105
-0.8157894736842105 x 100 = -81.58%