5.7% is the change from 649 to 686
Calculation steps:
[( 686 - 649 ) ÷ 649] x 100 = 5.7%
Formula
Percentage change = [(686 - 649) / 649] x 100
Subtract the new number by the original number
686 - 649 = 37
37 ÷ 649 = 0.05701078582434515
0.05701078582434515 x 100 = 5.7%