-50.7% is the change from 570 to 281
Calculation steps:
[( 281 - 570 ) ÷ 570] x 100 = -50.7%
Formula
Percentage change = [(281 - 570) / 570] x 100
Subtract the new number by the original number
281 - 570 = -289
-289 ÷ 570 = -0.5070175438596491
-0.5070175438596491 x 100 = -50.7%