2.09% is the change from 671 to 685
Calculation steps:
[( 685 - 671 ) ÷ 671] x 100 = 2.09%
Formula
Percentage change = [(685 - 671) / 671] x 100
Subtract the new number by the original number
685 - 671 = 14
14 ÷ 671 = 0.020864381520119227
0.020864381520119227 x 100 = 2.09%