6.23% is the change from 610 to 648
Calculation steps:
[( 648 - 610 ) ÷ 610] x 100 = 6.23%
Formula
Percentage change = [(648 - 610) / 610] x 100
Subtract the new number by the original number
648 - 610 = 38
38 ÷ 610 = 0.06229508196721312
0.06229508196721312 x 100 = 6.23%