-15.9% is the change from 717 to 603
Calculation steps:
[( 603 - 717 ) ÷ 717] x 100 = -15.9%
Formula
Percentage change = [(603 - 717) / 717] x 100
Subtract the new number by the original number
603 - 717 = -114
-114 ÷ 717 = -0.1589958158995816
-0.1589958158995816 x 100 = -15.9%