390.63% is the change from 128 to 628
Calculation steps:
[( 628 - 128 ) ÷ 128] x 100 = 390.63%
Formula
Percentage change = [(628 - 128) / 128] x 100
Subtract the new number by the original number
628 - 128 = 500
500 ÷ 128 = 3.90625
3.90625 x 100 = 390.63%