59.77% is the change from 256 to 409
Calculation steps:
[( 409 - 256 ) ÷ 256] x 100 = 59.77%
Formula
Percentage change = [(409 - 256) / 256] x 100
Subtract the new number by the original number
409 - 256 = 153
153 ÷ 256 = 0.59765625
0.59765625 x 100 = 59.77%