328.13% is the change from 128 to 548
Calculation steps:
[( 548 - 128 ) ÷ 128] x 100 = 328.13%
Formula
Percentage change = [(548 - 128) / 128] x 100
Subtract the new number by the original number
548 - 128 = 420
420 ÷ 128 = 3.28125
3.28125 x 100 = 328.13%