4.07% is the change from 614 to 639
Calculation steps:
[( 639 - 614 ) ÷ 614] x 100 = 4.07%
Formula
Percentage change = [(639 - 614) / 614] x 100
Subtract the new number by the original number
639 - 614 = 25
25 ÷ 614 = 0.04071661237785016
0.04071661237785016 x 100 = 4.07%