-17.3% is the change from 867 to 717
Calculation steps:
[( 717 - 867 ) ÷ 867] x 100 = -17.3%
Formula
Percentage change = [(717 - 867) / 867] x 100
Subtract the new number by the original number
717 - 867 = -150
-150 ÷ 867 = -0.17301038062283736
-0.17301038062283736 x 100 = -17.3%