22.6% is the change from 208 to 255
Calculation steps:
[( 255 - 208 ) ÷ 208] x 100 = 22.6%
Formula
Percentage change = [(255 - 208) / 208] x 100
Subtract the new number by the original number
255 - 208 = 47
47 ÷ 208 = 0.22596153846153846
0.22596153846153846 x 100 = 22.6%