-83.8% is the change from 864 to 140
Calculation steps:
[( 140 - 864 ) ÷ 864] x 100 = -83.8%
Formula
Percentage change = [(140 - 864) / 864] x 100
Subtract the new number by the original number
140 - 864 = -724
-724 ÷ 864 = -0.8379629629629629
-0.8379629629629629 x 100 = -83.8%