-20.56% is the change from 861 to 684
Calculation steps:
[( 684 - 861 ) ÷ 861] x 100 = -20.56%
Formula
Percentage change = [(684 - 861) / 861] x 100
Subtract the new number by the original number
684 - 861 = -177
-177 ÷ 861 = -0.20557491289198607
-0.20557491289198607 x 100 = -20.56%