75.47% is the change from 424 to 744
Calculation steps:
[( 744 - 424 ) ÷ 424] x 100 = 75.47%
Formula
Percentage change = [(744 - 424) / 424] x 100
Subtract the new number by the original number
744 - 424 = 320
320 ÷ 424 = 0.7547169811320755
0.7547169811320755 x 100 = 75.47%