0.44% is the change from 685 to 688
Calculation steps:
[( 688 - 685 ) ÷ 685] x 100 = 0.44%
Formula
Percentage change = [(688 - 685) / 685] x 100
Subtract the new number by the original number
688 - 685 = 3
3 ÷ 685 = 0.004379562043795621
0.004379562043795621 x 100 = 0.44%