29.69% is the change from 256 to 332
Calculation steps:
[( 332 - 256 ) ÷ 256] x 100 = 29.69%
Formula
Percentage change = [(332 - 256) / 256] x 100
Subtract the new number by the original number
332 - 256 = 76
76 ÷ 256 = 0.296875
0.296875 x 100 = 29.69%