-96.3% is the change from 729 to 27
Calculation steps:
[( 27 - 729 ) ÷ 729] x 100 = -96.3%
Formula
Percentage change = [(27 - 729) / 729] x 100
Subtract the new number by the original number
27 - 729 = -702
-702 ÷ 729 = -0.9629629629629629
-0.9629629629629629 x 100 = -96.3%