162.35% is the change from 255 to 669
Calculation steps:
[( 669 - 255 ) ÷ 255] x 100 = 162.35%
Formula
Percentage change = [(669 - 255) / 255] x 100
Subtract the new number by the original number
669 - 255 = 414
414 ÷ 255 = 1.6235294117647059
1.6235294117647059 x 100 = 162.35%