70.05% is the change from 424 to 721
Calculation steps:
[( 721 - 424 ) ÷ 424] x 100 = 70.05%
Formula
Percentage change = [(721 - 424) / 424] x 100
Subtract the new number by the original number
721 - 424 = 297
297 ÷ 424 = 0.7004716981132075
0.7004716981132075 x 100 = 70.05%