77.59% is the change from 406 to 721
Calculation steps:
[( 721 - 406 ) ÷ 406] x 100 = 77.59%
Formula
Percentage change = [(721 - 406) / 406] x 100
Subtract the new number by the original number
721 - 406 = 315
315 ÷ 406 = 0.7758620689655172
0.7758620689655172 x 100 = 77.59%