9.93% is the change from 554 to 609
Calculation steps:
[( 609 - 554 ) ÷ 554] x 100 = 9.93%
Formula
Percentage change = [(609 - 554) / 554] x 100
Subtract the new number by the original number
609 - 554 = 55
55 ÷ 554 = 0.09927797833935018
0.09927797833935018 x 100 = 9.93%