573.68% is the change from 38 to 256
Calculation steps:
[( 256 - 38 ) ÷ 38] x 100 = 573.68%
Formula
Percentage change = [(256 - 38) / 38] x 100
Subtract the new number by the original number
256 - 38 = 218
218 ÷ 38 = 5.7368421052631575
5.7368421052631575 x 100 = 573.68%