-21.6% is the change from 727 to 570
Calculation steps:
[( 570 - 727 ) ÷ 727] x 100 = -21.6%
Formula
Percentage change = [(570 - 727) / 727] x 100
Subtract the new number by the original number
570 - 727 = -157
-157 ÷ 727 = -0.21595598349381018
-0.21595598349381018 x 100 = -21.6%