4.28% is the change from 257 to 268
Calculation steps:
[( 268 - 257 ) ÷ 257] x 100 = 4.28%
Formula
Percentage change = [(268 - 257) / 257] x 100
Subtract the new number by the original number
268 - 257 = 11
11 ÷ 257 = 0.042801556420233464
0.042801556420233464 x 100 = 4.28%