-54.2% is the change from 238 to 109
Calculation steps:
[( 109 - 238 ) ÷ 238] x 100 = -54.2%
Formula
Percentage change = [(109 - 238) / 238] x 100
Subtract the new number by the original number
109 - 238 = -129
-129 ÷ 238 = -0.542016806722689
-0.542016806722689 x 100 = -54.2%