-3.39% is the change from 708 to 684
Calculation steps:
[( 684 - 708 ) ÷ 708] x 100 = -3.39%
Formula
Percentage change = [(684 - 708) / 708] x 100
Subtract the new number by the original number
684 - 708 = -24
-24 ÷ 708 = -0.03389830508474576
-0.03389830508474576 x 100 = -3.39%