319.53% is the change from 128 to 537
Calculation steps:
[( 537 - 128 ) ÷ 128] x 100 = 319.53%
Formula
Percentage change = [(537 - 128) / 128] x 100
Subtract the new number by the original number
537 - 128 = 409
409 ÷ 128 = 3.1953125
3.1953125 x 100 = 319.53%