-40.4% is the change from 198 to 118
Calculation steps:
[( 118 - 198 ) ÷ 198] x 100 = -40.4%
Formula
Percentage change = [(118 - 198) / 198] x 100
Subtract the new number by the original number
118 - 198 = -80
-80 ÷ 198 = -0.40404040404040403
-0.40404040404040403 x 100 = -40.4%