6.87% is the change from 684 to 731
Calculation steps:
[( 731 - 684 ) ÷ 684] x 100 = 6.87%
Formula
Percentage change = [(731 - 684) / 684] x 100
Subtract the new number by the original number
731 - 684 = 47
47 ÷ 684 = 0.06871345029239766
0.06871345029239766 x 100 = 6.87%