9.71% is the change from 721 to 791
Calculation steps:
[( 791 - 721 ) ÷ 721] x 100 = 9.71%
Formula
Percentage change = [(791 - 721) / 721] x 100
Subtract the new number by the original number
791 - 721 = 70
70 ÷ 721 = 0.0970873786407767
0.0970873786407767 x 100 = 9.71%