7.21% is the change from 680 to 729
Calculation steps:
[( 729 - 680 ) ÷ 680] x 100 = 7.21%
Formula
Percentage change = [(729 - 680) / 680] x 100
Subtract the new number by the original number
729 - 680 = 49
49 ÷ 680 = 0.07205882352941176
0.07205882352941176 x 100 = 7.21%