16.86% is the change from 255 to 298
Calculation steps:
[( 298 - 255 ) ÷ 255] x 100 = 16.86%
Formula
Percentage change = [(298 - 255) / 255] x 100
Subtract the new number by the original number
298 - 255 = 43
43 ÷ 255 = 0.16862745098039217
0.16862745098039217 x 100 = 16.86%