270.25% is the change from 121 to 448
Calculation steps:
[( 448 - 121 ) ÷ 121] x 100 = 270.25%
Formula
Percentage change = [(448 - 121) / 121] x 100
Subtract the new number by the original number
448 - 121 = 327
327 ÷ 121 = 2.7024793388429753
2.7024793388429753 x 100 = 270.25%