254.69% is the change from 128 to 454
Calculation steps:
[( 454 - 128 ) ÷ 128] x 100 = 254.69%
Formula
Percentage change = [(454 - 128) / 128] x 100
Subtract the new number by the original number
454 - 128 = 326
326 ÷ 128 = 2.546875
2.546875 x 100 = 254.69%