1.78% is the change from 673 to 685
Calculation steps:
[( 685 - 673 ) ÷ 673] x 100 = 1.78%
Formula
Percentage change = [(685 - 673) / 673] x 100
Subtract the new number by the original number
685 - 673 = 12
12 ÷ 673 = 0.017830609212481426
0.017830609212481426 x 100 = 1.78%