-15.47% is the change from 181 to 153
Calculation steps:
[( 153 - 181 ) ÷ 181] x 100 = -15.47%
Formula
Percentage change = [(153 - 181) / 181] x 100
Subtract the new number by the original number
153 - 181 = -28
-28 ÷ 181 = -0.15469613259668508
-0.15469613259668508 x 100 = -15.47%