164.31% is the change from 255 to 674
Calculation steps:
[( 674 - 255 ) ÷ 255] x 100 = 164.31%
Formula
Percentage change = [(674 - 255) / 255] x 100
Subtract the new number by the original number
674 - 255 = 419
419 ÷ 255 = 1.6431372549019607
1.6431372549019607 x 100 = 164.31%