-83.64% is the change from 868 to 142
Calculation steps:
[( 142 - 868 ) ÷ 868] x 100 = -83.64%
Formula
Percentage change = [(142 - 868) / 868] x 100
Subtract the new number by the original number
142 - 868 = -726
-726 ÷ 868 = -0.836405529953917
-0.836405529953917 x 100 = -83.64%