-8.78% is the change from 729 to 665
Calculation steps:
[( 665 - 729 ) ÷ 729] x 100 = -8.78%
Formula
Percentage change = [(665 - 729) / 729] x 100
Subtract the new number by the original number
665 - 729 = -64
-64 ÷ 729 = -0.0877914951989026
-0.0877914951989026 x 100 = -8.78%