-89.86% is the change from 868 to 88
Calculation steps:
[( 88 - 868 ) ÷ 868] x 100 = -89.86%
Formula
Percentage change = [(88 - 868) / 868] x 100
Subtract the new number by the original number
88 - 868 = -780
-780 ÷ 868 = -0.8986175115207373
-0.8986175115207373 x 100 = -89.86%