144.31% is the change from 255 to 623
Calculation steps:
[( 623 - 255 ) ÷ 255] x 100 = 144.31%
Formula
Percentage change = [(623 - 255) / 255] x 100
Subtract the new number by the original number
623 - 255 = 368
368 ÷ 255 = 1.4431372549019608
1.4431372549019608 x 100 = 144.31%