-4.06% is the change from 715 to 686
Calculation steps:
[( 686 - 715 ) ÷ 715] x 100 = -4.06%
Formula
Percentage change = [(686 - 715) / 715] x 100
Subtract the new number by the original number
686 - 715 = -29
-29 ÷ 715 = -0.04055944055944056
-0.04055944055944056 x 100 = -4.06%