8.87% is the change from 609 to 663
Calculation steps:
[( 663 - 609 ) ÷ 609] x 100 = 8.87%
Formula
Percentage change = [(663 - 609) / 609] x 100
Subtract the new number by the original number
663 - 609 = 54
54 ÷ 609 = 0.08866995073891626
0.08866995073891626 x 100 = 8.87%