76.72% is the change from 408 to 721
Calculation steps:
[( 721 - 408 ) ÷ 408] x 100 = 76.72%
Formula
Percentage change = [(721 - 408) / 408] x 100
Subtract the new number by the original number
721 - 408 = 313
313 ÷ 408 = 0.7671568627450981
0.7671568627450981 x 100 = 76.72%