-6.56% is the change from 778 to 727
Calculation steps:
[( 727 - 778 ) ÷ 778] x 100 = -6.56%
Formula
Percentage change = [(727 - 778) / 778] x 100
Subtract the new number by the original number
727 - 778 = -51
-51 ÷ 778 = -0.06555269922879177
-0.06555269922879177 x 100 = -6.56%