-82.56% is the change from 843 to 147
Calculation steps:
[( 147 - 843 ) ÷ 843] x 100 = -82.56%
Formula
Percentage change = [(147 - 843) / 843] x 100
Subtract the new number by the original number
147 - 843 = -696
-696 ÷ 843 = -0.8256227758007118
-0.8256227758007118 x 100 = -82.56%