318.5% is the change from 173 to 724
Calculation steps:
[( 724 - 173 ) ÷ 173] x 100 = 318.5%
Formula
Percentage change = [(724 - 173) / 173] x 100
Subtract the new number by the original number
724 - 173 = 551
551 ÷ 173 = 3.184971098265896
3.184971098265896 x 100 = 318.5%