-82.01% is the change from 856 to 154
Calculation steps:
[( 154 - 856 ) ÷ 856] x 100 = -82.01%
Formula
Percentage change = [(154 - 856) / 856] x 100
Subtract the new number by the original number
154 - 856 = -702
-702 ÷ 856 = -0.8200934579439252
-0.8200934579439252 x 100 = -82.01%