103.1% is the change from 355 to 721
Calculation steps:
[( 721 - 355 ) ÷ 355] x 100 = 103.1%
Formula
Percentage change = [(721 - 355) / 355] x 100
Subtract the new number by the original number
721 - 355 = 366
366 ÷ 355 = 1.0309859154929577
1.0309859154929577 x 100 = 103.1%