-0.44% is the change from 687 to 684
Calculation steps:
[( 684 - 687 ) ÷ 687] x 100 = -0.44%
Formula
Percentage change = [(684 - 687) / 687] x 100
Subtract the new number by the original number
684 - 687 = -3
-3 ÷ 687 = -0.004366812227074236
-0.004366812227074236 x 100 = -0.44%