-20.99% is the change from 729 to 576
Calculation steps:
[( 576 - 729 ) ÷ 729] x 100 = -20.99%
Formula
Percentage change = [(576 - 729) / 729] x 100
Subtract the new number by the original number
576 - 729 = -153
-153 ÷ 729 = -0.20987654320987653
-0.20987654320987653 x 100 = -20.99%