20.58% is the change from 549 to 662
Calculation steps:
[( 662 - 549 ) ÷ 549] x 100 = 20.58%
Formula
Percentage change = [(662 - 549) / 549] x 100
Subtract the new number by the original number
662 - 549 = 113
113 ÷ 549 = 0.2058287795992714
0.2058287795992714 x 100 = 20.58%