62.11% is the change from 256 to 415
Calculation steps:
[( 415 - 256 ) ÷ 256] x 100 = 62.11%
Formula
Percentage change = [(415 - 256) / 256] x 100
Subtract the new number by the original number
415 - 256 = 159
159 ÷ 256 = 0.62109375
0.62109375 x 100 = 62.11%