-83.78% is the change from 863 to 140
Calculation steps:
[( 140 - 863 ) ÷ 863] x 100 = -83.78%
Formula
Percentage change = [(140 - 863) / 863] x 100
Subtract the new number by the original number
140 - 863 = -723
-723 ÷ 863 = -0.8377752027809965
-0.8377752027809965 x 100 = -83.78%