-8.6% is the change from 779 to 712
Calculation steps:
[( 712 - 779 ) ÷ 779] x 100 = -8.6%
Formula
Percentage change = [(712 - 779) / 779] x 100
Subtract the new number by the original number
712 - 779 = -67
-67 ÷ 779 = -0.08600770218228498
-0.08600770218228498 x 100 = -8.6%