-78.34% is the change from 868 to 188
Calculation steps:
[( 188 - 868 ) ÷ 868] x 100 = -78.34%
Formula
Percentage change = [(188 - 868) / 868] x 100
Subtract the new number by the original number
188 - 868 = -680
-680 ÷ 868 = -0.783410138248848
-0.783410138248848 x 100 = -78.34%