-22.52% is the change from 888 to 688
Calculation steps:
[( 688 - 888 ) ÷ 888] x 100 = -22.52%
Formula
Percentage change = [(688 - 888) / 888] x 100
Subtract the new number by the original number
688 - 888 = -200
-200 ÷ 888 = -0.22522522522522523
-0.22522522522522523 x 100 = -22.52%