257.94% is the change from 126 to 451
Calculation steps:
[( 451 - 126 ) ÷ 126] x 100 = 257.94%
Formula
Percentage change = [(451 - 126) / 126] x 100
Subtract the new number by the original number
451 - 126 = 325
325 ÷ 126 = 2.5793650793650795
2.5793650793650795 x 100 = 257.94%