8.7% is the change from 609 to 662
Calculation steps:
[( 662 - 609 ) ÷ 609] x 100 = 8.7%
Formula
Percentage change = [(662 - 609) / 609] x 100
Subtract the new number by the original number
662 - 609 = 53
53 ÷ 609 = 0.08702791461412152
0.08702791461412152 x 100 = 8.7%