-55.56% is the change from 198 to 88
Calculation steps:
[( 88 - 198 ) ÷ 198] x 100 = -55.56%
Formula
Percentage change = [(88 - 198) / 198] x 100
Subtract the new number by the original number
88 - 198 = -110
-110 ÷ 198 = -0.5555555555555556
-0.5555555555555556 x 100 = -55.56%