-4.9% is the change from 715 to 680
Calculation steps:
[( 680 - 715 ) ÷ 715] x 100 = -4.9%
Formula
Percentage change = [(680 - 715) / 715] x 100
Subtract the new number by the original number
680 - 715 = -35
-35 ÷ 715 = -0.04895104895104895
-0.04895104895104895 x 100 = -4.9%