149.02% is the change from 255 to 635
Calculation steps:
[( 635 - 255 ) ÷ 255] x 100 = 149.02%
Formula
Percentage change = [(635 - 255) / 255] x 100
Subtract the new number by the original number
635 - 255 = 380
380 ÷ 255 = 1.4901960784313726
1.4901960784313726 x 100 = 149.02%