231.4% is the change from 121 to 401
Calculation steps:
[( 401 - 121 ) ÷ 121] x 100 = 231.4%
Formula
Percentage change = [(401 - 121) / 121] x 100
Subtract the new number by the original number
401 - 121 = 280
280 ÷ 121 = 2.3140495867768593
2.3140495867768593 x 100 = 231.4%