36.86% is the change from 255 to 349
Calculation steps:
[( 349 - 255 ) ÷ 255] x 100 = 36.86%
Formula
Percentage change = [(349 - 255) / 255] x 100
Subtract the new number by the original number
349 - 255 = 94
94 ÷ 255 = 0.3686274509803922
0.3686274509803922 x 100 = 36.86%