-45.15% is the change from 330 to 181
Calculation steps:
[( 181 - 330 ) ÷ 330] x 100 = -45.15%
Formula
Percentage change = [(181 - 330) / 330] x 100
Subtract the new number by the original number
181 - 330 = -149
-149 ÷ 330 = -0.45151515151515154
-0.45151515151515154 x 100 = -45.15%