316.76% is the change from 173 to 721
Calculation steps:
[( 721 - 173 ) ÷ 173] x 100 = 316.76%
Formula
Percentage change = [(721 - 173) / 173] x 100
Subtract the new number by the original number
721 - 173 = 548
548 ÷ 173 = 3.167630057803468
3.167630057803468 x 100 = 316.76%