0.15% is the change from 687 to 688
Calculation steps:
[( 688 - 687 ) ÷ 687] x 100 = 0.15%
Formula
Percentage change = [(688 - 687) / 687] x 100
Subtract the new number by the original number
688 - 687 = 1
1 ÷ 687 = 0.001455604075691412
0.001455604075691412 x 100 = 0.15%