-2.04% is the change from 686 to 672
Calculation steps:
[( 672 - 686 ) ÷ 686] x 100 = -2.04%
Formula
Percentage change = [(672 - 686) / 686] x 100
Subtract the new number by the original number
672 - 686 = -14
-14 ÷ 686 = -0.02040816326530612
-0.02040816326530612 x 100 = -2.04%