6.62% is the change from 665 to 709
Calculation steps:
[( 709 - 665 ) ÷ 665] x 100 = 6.62%
Formula
Percentage change = [(709 - 665) / 665] x 100
Subtract the new number by the original number
709 - 665 = 44
44 ÷ 665 = 0.06616541353383458
0.06616541353383458 x 100 = 6.62%