5.25% is the change from 609 to 641
Calculation steps:
[( 641 - 609 ) ÷ 609] x 100 = 5.25%
Formula
Percentage change = [(641 - 609) / 609] x 100
Subtract the new number by the original number
641 - 609 = 32
32 ÷ 609 = 0.052545155993431854
0.052545155993431854 x 100 = 5.25%