180% is the change from 255 to 714
Calculation steps:
[( 714 - 255 ) ÷ 255] x 100 = 180%
Formula
Percentage change = [(714 - 255) / 255] x 100
Subtract the new number by the original number
714 - 255 = 459
459 ÷ 255 = 1.8
1.8 x 100 = 180%
Example