49.22% is the change from 256 to 382
Calculation steps:
[( 382 - 256 ) ÷ 256] x 100 = 49.22%
Formula
Percentage change = [(382 - 256) / 256] x 100
Subtract the new number by the original number
382 - 256 = 126
126 ÷ 256 = 0.4921875
0.4921875 x 100 = 49.22%