-82.69% is the change from 849 to 147
Calculation steps:
[( 147 - 849 ) ÷ 849] x 100 = -82.69%
Formula
Percentage change = [(147 - 849) / 849] x 100
Subtract the new number by the original number
147 - 849 = -702
-702 ÷ 849 = -0.8268551236749117
-0.8268551236749117 x 100 = -82.69%