-8.22% is the change from 779 to 715
Calculation steps:
[( 715 - 779 ) ÷ 779] x 100 = -8.22%
Formula
Percentage change = [(715 - 779) / 779] x 100
Subtract the new number by the original number
715 - 779 = -64
-64 ÷ 779 = -0.0821566110397946
-0.0821566110397946 x 100 = -8.22%