31.33% is the change from 549 to 721
Calculation steps:
[( 721 - 549 ) ÷ 549] x 100 = 31.33%
Formula
Percentage change = [(721 - 549) / 549] x 100
Subtract the new number by the original number
721 - 549 = 172
172 ÷ 549 = 0.3132969034608379
0.3132969034608379 x 100 = 31.33%