6.5% is the change from 677 to 721
Calculation steps:
[( 721 - 677 ) ÷ 677] x 100 = 6.5%
Formula
Percentage change = [(721 - 677) / 677] x 100
Subtract the new number by the original number
721 - 677 = 44
44 ÷ 677 = 0.06499261447562776
0.06499261447562776 x 100 = 6.5%