-40.66% is the change from 305 to 181
Calculation steps:
[( 181 - 305 ) ÷ 305] x 100 = -40.66%
Formula
Percentage change = [(181 - 305) / 305] x 100
Subtract the new number by the original number
181 - 305 = -124
-124 ÷ 305 = -0.4065573770491803
-0.4065573770491803 x 100 = -40.66%