-17.78% is the change from 872 to 717
Calculation steps:
[( 717 - 872 ) ÷ 872] x 100 = -17.78%
Formula
Percentage change = [(717 - 872) / 872] x 100
Subtract the new number by the original number
717 - 872 = -155
-155 ÷ 872 = -0.17775229357798164
-0.17775229357798164 x 100 = -17.78%