-9.88% is the change from 729 to 657
Calculation steps:
[( 657 - 729 ) ÷ 729] x 100 = -9.88%
Formula
Percentage change = [(657 - 729) / 729] x 100
Subtract the new number by the original number
657 - 729 = -72
-72 ÷ 729 = -0.09876543209876543
-0.09876543209876543 x 100 = -9.88%