76.28% is the change from 409 to 721
Calculation steps:
[( 721 - 409 ) ÷ 409] x 100 = 76.28%
Formula
Percentage change = [(721 - 409) / 409] x 100
Subtract the new number by the original number
721 - 409 = 312
312 ÷ 409 = 0.7628361858190709
0.7628361858190709 x 100 = 76.28%