182.75% is the change from 255 to 721
Calculation steps:
[( 721 - 255 ) ÷ 255] x 100 = 182.75%
Formula
Percentage change = [(721 - 255) / 255] x 100
Subtract the new number by the original number
721 - 255 = 466
466 ÷ 255 = 1.8274509803921568
1.8274509803921568 x 100 = 182.75%