4.71% is the change from 255 to 267
Calculation steps:
[( 267 - 255 ) ÷ 255] x 100 = 4.71%
Formula
Percentage change = [(267 - 255) / 255] x 100
Subtract the new number by the original number
267 - 255 = 12
12 ÷ 255 = 0.047058823529411764
0.047058823529411764 x 100 = 4.71%