8.63% is the change from 556 to 604
Calculation steps:
[( 604 - 556 ) ÷ 556] x 100 = 8.63%
Formula
Percentage change = [(604 - 556) / 556] x 100
Subtract the new number by the original number
604 - 556 = 48
48 ÷ 556 = 0.08633093525179857
0.08633093525179857 x 100 = 8.63%