-15.79% is the change from 779 to 656
Calculation steps:
[( 656 - 779 ) ÷ 779] x 100 = -15.79%
Formula
Percentage change = [(656 - 779) / 779] x 100
Subtract the new number by the original number
656 - 779 = -123
-123 ÷ 779 = -0.15789473684210525
-0.15789473684210525 x 100 = -15.79%