-16.22% is the change from 185 to 155
Calculation steps:
[( 155 - 185 ) ÷ 185] x 100 = -16.22%
Formula
Percentage change = [(155 - 185) / 185] x 100
Subtract the new number by the original number
155 - 185 = -30
-30 ÷ 185 = -0.16216216216216217
-0.16216216216216217 x 100 = -16.22%