-30.32% is the change from 155 to 108
Calculation steps:
[( 108 - 155 ) ÷ 155] x 100 = -30.32%
Formula
Percentage change = [(108 - 155) / 155] x 100
Subtract the new number by the original number
108 - 155 = -47
-47 ÷ 155 = -0.3032258064516129
-0.3032258064516129 x 100 = -30.32%