-52.46% is the change from 570 to 271
Calculation steps:
[( 271 - 570 ) ÷ 570] x 100 = -52.46%
Formula
Percentage change = [(271 - 570) / 570] x 100
Subtract the new number by the original number
271 - 570 = -299
-299 ÷ 570 = -0.5245614035087719
-0.5245614035087719 x 100 = -52.46%