-14.23% is the change from 717 to 615
Calculation steps:
[( 615 - 717 ) ÷ 717] x 100 = -14.23%
Formula
Percentage change = [(615 - 717) / 717] x 100
Subtract the new number by the original number
615 - 717 = -102
-102 ÷ 717 = -0.14225941422594143
-0.14225941422594143 x 100 = -14.23%