70.75% is the change from 424 to 724
Calculation steps:
[( 724 - 424 ) ÷ 424] x 100 = 70.75%
Formula
Percentage change = [(724 - 424) / 424] x 100
Subtract the new number by the original number
724 - 424 = 300
300 ÷ 424 = 0.7075471698113207
0.7075471698113207 x 100 = 70.75%