14.75% is the change from 549 to 630
Calculation steps:
[( 630 - 549 ) ÷ 549] x 100 = 14.75%
Formula
Percentage change = [(630 - 549) / 549] x 100
Subtract the new number by the original number
630 - 549 = 81
81 ÷ 549 = 0.14754098360655737
0.14754098360655737 x 100 = 14.75%