-21.81% is the change from 729 to 570
Calculation steps:
[( 570 - 729 ) ÷ 729] x 100 = -21.81%
Formula
Percentage change = [(570 - 729) / 729] x 100
Subtract the new number by the original number
570 - 729 = -159
-159 ÷ 729 = -0.21810699588477367
-0.21810699588477367 x 100 = -21.81%