6.89% is the change from 639 to 683
Calculation steps:
[( 683 - 639 ) ÷ 639] x 100 = 6.89%
Formula
Percentage change = [(683 - 639) / 639] x 100
Subtract the new number by the original number
683 - 639 = 44
44 ÷ 639 = 0.06885758998435054
0.06885758998435054 x 100 = 6.89%