-42.25% is the change from 729 to 421
Calculation steps:
[( 421 - 729 ) ÷ 729] x 100 = -42.25%
Formula
Percentage change = [(421 - 729) / 729] x 100
Subtract the new number by the original number
421 - 729 = -308
-308 ÷ 729 = -0.4224965706447188
-0.4224965706447188 x 100 = -42.25%