81.22% is the change from 181 to 328
Calculation steps:
[( 328 - 181 ) ÷ 181] x 100 = 81.22%
Formula
Percentage change = [(328 - 181) / 181] x 100
Subtract the new number by the original number
328 - 181 = 147
147 ÷ 181 = 0.8121546961325967
0.8121546961325967 x 100 = 81.22%