-6.3% is the change from 778 to 729
Calculation steps:
[( 729 - 778 ) ÷ 778] x 100 = -6.3%
Formula
Percentage change = [(729 - 778) / 778] x 100
Subtract the new number by the original number
729 - 778 = -49
-49 ÷ 778 = -0.06298200514138817
-0.06298200514138817 x 100 = -6.3%