303.13% is the change from 128 to 516
Calculation steps:
[( 516 - 128 ) ÷ 128] x 100 = 303.13%
Formula
Percentage change = [(516 - 128) / 128] x 100
Subtract the new number by the original number
516 - 128 = 388
388 ÷ 128 = 3.03125
3.03125 x 100 = 303.13%