-82.58% is the change from 861 to 150
Calculation steps:
[( 150 - 861 ) ÷ 861] x 100 = -82.58%
Formula
Percentage change = [(150 - 861) / 861] x 100
Subtract the new number by the original number
150 - 861 = -711
-711 ÷ 861 = -0.8257839721254355
-0.8257839721254355 x 100 = -82.58%