-82.48% is the change from 856 to 150
Calculation steps:
[( 150 - 856 ) ÷ 856] x 100 = -82.48%
Formula
Percentage change = [(150 - 856) / 856] x 100
Subtract the new number by the original number
150 - 856 = -706
-706 ÷ 856 = -0.8247663551401869
-0.8247663551401869 x 100 = -82.48%