0.29% is the change from 685 to 687
Calculation steps:
[( 687 - 685 ) ÷ 685] x 100 = 0.29%
Formula
Percentage change = [(687 - 685) / 685] x 100
Subtract the new number by the original number
687 - 685 = 2
2 ÷ 685 = 0.00291970802919708
0.00291970802919708 x 100 = 0.29%