-83.87% is the change from 868 to 140
Calculation steps:
[( 140 - 868 ) ÷ 868] x 100 = -83.87%
Formula
Percentage change = [(140 - 868) / 868] x 100
Subtract the new number by the original number
140 - 868 = -728
-728 ÷ 868 = -0.8387096774193549
-0.8387096774193549 x 100 = -83.87%