-81.56% is the change from 797 to 147
Calculation steps:
[( 147 - 797 ) ÷ 797] x 100 = -81.56%
Formula
Percentage change = [(147 - 797) / 797] x 100
Subtract the new number by the original number
147 - 797 = -650
-650 ÷ 797 = -0.8155583437892095
-0.8155583437892095 x 100 = -81.56%