-15.1% is the change from 715 to 607
Calculation steps:
[( 607 - 715 ) ÷ 715] x 100 = -15.1%
Formula
Percentage change = [(607 - 715) / 715] x 100
Subtract the new number by the original number
607 - 715 = -108
-108 ÷ 715 = -0.15104895104895105
-0.15104895104895105 x 100 = -15.1%