-33.55% is the change from 155 to 103
Calculation steps:
[( 103 - 155 ) ÷ 155] x 100 = -33.55%
Formula
Percentage change = [(103 - 155) / 155] x 100
Subtract the new number by the original number
103 - 155 = -52
-52 ÷ 155 = -0.33548387096774196
-0.33548387096774196 x 100 = -33.55%