0.15% is the change from 688 to 689
Calculation steps:
[( 689 - 688 ) ÷ 688] x 100 = 0.15%
Formula
Percentage change = [(689 - 688) / 688] x 100
Subtract the new number by the original number
689 - 688 = 1
1 ÷ 688 = 0.0014534883720930232
0.0014534883720930232 x 100 = 0.15%