2.23% is the change from 672 to 687
Calculation steps:
[( 687 - 672 ) ÷ 672] x 100 = 2.23%
Formula
Percentage change = [(687 - 672) / 672] x 100
Subtract the new number by the original number
687 - 672 = 15
15 ÷ 672 = 0.022321428571428572
0.022321428571428572 x 100 = 2.23%