-8.08% is the change from 780 to 717
Calculation steps:
[( 717 - 780 ) ÷ 780] x 100 = -8.08%
Formula
Percentage change = [(717 - 780) / 780] x 100
Subtract the new number by the original number
717 - 780 = -63
-63 ÷ 780 = -0.08076923076923077
-0.08076923076923077 x 100 = -8.08%