-16.92% is the change from 863 to 717
Calculation steps:
[( 717 - 863 ) ÷ 863] x 100 = -16.92%
Formula
Percentage change = [(717 - 863) / 863] x 100
Subtract the new number by the original number
717 - 863 = -146
-146 ÷ 863 = -0.16917728852838934
-0.16917728852838934 x 100 = -16.92%