-84.24% is the change from 863 to 136
Calculation steps:
[( 136 - 863 ) ÷ 863] x 100 = -84.24%
Formula
Percentage change = [(136 - 863) / 863] x 100
Subtract the new number by the original number
136 - 863 = -727
-727 ÷ 863 = -0.8424101969872537
-0.8424101969872537 x 100 = -84.24%