17.85% is the change from 549 to 647
Calculation steps:
[( 647 - 549 ) ÷ 549] x 100 = 17.85%
Formula
Percentage change = [(647 - 549) / 549] x 100
Subtract the new number by the original number
647 - 549 = 98
98 ÷ 549 = 0.1785063752276867
0.1785063752276867 x 100 = 17.85%