-20.44% is the change from 137 to 109
Calculation steps:
[( 109 - 137 ) ÷ 137] x 100 = -20.44%
Formula
Percentage change = [(109 - 137) / 137] x 100
Subtract the new number by the original number
109 - 137 = -28
-28 ÷ 137 = -0.20437956204379562
-0.20437956204379562 x 100 = -20.44%