4.31% is the change from 720 to 751
Calculation steps:
[( 751 - 720 ) ÷ 720] x 100 = 4.31%
Formula
Percentage change = [(751 - 720) / 720] x 100
Subtract the new number by the original number
751 - 720 = 31
31 ÷ 720 = 0.043055555555555555
0.043055555555555555 x 100 = 4.31%