338.54% is the change from 96 to 421
Calculation steps:
[( 421 - 96 ) ÷ 96] x 100 = 338.54%
Formula
Percentage change = [(421 - 96) / 96] x 100
Subtract the new number by the original number
421 - 96 = 325
325 ÷ 96 = 3.3854166666666665
3.3854166666666665 x 100 = 338.54%