-81.68% is the change from 868 to 159
Calculation steps:
[( 159 - 868 ) ÷ 868] x 100 = -81.68%
Formula
Percentage change = [(159 - 868) / 868] x 100
Subtract the new number by the original number
159 - 868 = -709
-709 ÷ 868 = -0.8168202764976958
-0.8168202764976958 x 100 = -81.68%