-81.37% is the change from 789 to 147
Calculation steps:
[( 147 - 789 ) ÷ 789] x 100 = -81.37%
Formula
Percentage change = [(147 - 789) / 789] x 100
Subtract the new number by the original number
147 - 789 = -642
-642 ÷ 789 = -0.8136882129277566
-0.8136882129277566 x 100 = -81.37%