-90.95% is the change from 729 to 66
Calculation steps:
[( 66 - 729 ) ÷ 729] x 100 = -90.95%
Formula
Percentage change = [(66 - 729) / 729] x 100
Subtract the new number by the original number
66 - 729 = -663
-663 ÷ 729 = -0.9094650205761317
-0.9094650205761317 x 100 = -90.95%