-82.11% is the change from 861 to 154
Calculation steps:
[( 154 - 861 ) ÷ 861] x 100 = -82.11%
Formula
Percentage change = [(154 - 861) / 861] x 100
Subtract the new number by the original number
154 - 861 = -707
-707 ÷ 861 = -0.8211382113821138
-0.8211382113821138 x 100 = -82.11%