254.55% is the change from 121 to 429
Calculation steps:
[( 429 - 121 ) ÷ 121] x 100 = 254.55%
Formula
Percentage change = [(429 - 121) / 121] x 100
Subtract the new number by the original number
429 - 121 = 308
308 ÷ 121 = 2.5454545454545454
2.5454545454545454 x 100 = 254.55%