-27.89% is the change from 717 to 517
Calculation steps:
[( 517 - 717 ) ÷ 717] x 100 = -27.89%
Formula
Percentage change = [(517 - 717) / 717] x 100
Subtract the new number by the original number
517 - 717 = -200
-200 ÷ 717 = -0.2789400278940028
-0.2789400278940028 x 100 = -27.89%