-7.72% is the change from 777 to 717
Calculation steps:
[( 717 - 777 ) ÷ 777] x 100 = -7.72%
Formula
Percentage change = [(717 - 777) / 777] x 100
Subtract the new number by the original number
717 - 777 = -60
-60 ÷ 777 = -0.07722007722007722
-0.07722007722007722 x 100 = -7.72%