10.09% is the change from 644 to 709
Calculation steps:
[( 709 - 644 ) ÷ 644] x 100 = 10.09%
Formula
Percentage change = [(709 - 644) / 644] x 100
Subtract the new number by the original number
709 - 644 = 65
65 ÷ 644 = 0.10093167701863354
0.10093167701863354 x 100 = 10.09%