63.67% is the change from 256 to 419
Calculation steps:
[( 419 - 256 ) ÷ 256] x 100 = 63.67%
Formula
Percentage change = [(419 - 256) / 256] x 100
Subtract the new number by the original number
419 - 256 = 163
163 ÷ 256 = 0.63671875
0.63671875 x 100 = 63.67%