23.44% is the change from 256 to 316
Calculation steps:
[( 316 - 256 ) ÷ 256] x 100 = 23.44%
Formula
Percentage change = [(316 - 256) / 256] x 100
Subtract the new number by the original number
316 - 256 = 60
60 ÷ 256 = 0.234375
0.234375 x 100 = 23.44%