-15.06% is the change from 717 to 609
Calculation steps:
[( 609 - 717 ) ÷ 717] x 100 = -15.06%
Formula
Percentage change = [(609 - 717) / 717] x 100
Subtract the new number by the original number
609 - 717 = -108
-108 ÷ 717 = -0.1506276150627615
-0.1506276150627615 x 100 = -15.06%