277.69% is the change from 121 to 457
Calculation steps:
[( 457 - 121 ) ÷ 121] x 100 = 277.69%
Formula
Percentage change = [(457 - 121) / 121] x 100
Subtract the new number by the original number
457 - 121 = 336
336 ÷ 121 = 2.7768595041322315
2.7768595041322315 x 100 = 277.69%