121.55% is the change from 181 to 401
Calculation steps:
[( 401 - 181 ) ÷ 181] x 100 = 121.55%
Formula
Percentage change = [(401 - 181) / 181] x 100
Subtract the new number by the original number
401 - 181 = 220
220 ÷ 181 = 1.2154696132596685
1.2154696132596685 x 100 = 121.55%