19.24% is the change from 556 to 663
Calculation steps:
[( 663 - 556 ) ÷ 556] x 100 = 19.24%
Formula
Percentage change = [(663 - 556) / 556] x 100
Subtract the new number by the original number
663 - 556 = 107
107 ÷ 556 = 0.19244604316546762
0.19244604316546762 x 100 = 19.24%