-6.79% is the change from 780 to 727
Calculation steps:
[( 727 - 780 ) ÷ 780] x 100 = -6.79%
Formula
Percentage change = [(727 - 780) / 780] x 100
Subtract the new number by the original number
727 - 780 = -53
-53 ÷ 780 = -0.06794871794871794
-0.06794871794871794 x 100 = -6.79%