-49.12% is the change from 570 to 290
Calculation steps:
[( 290 - 570 ) ÷ 570] x 100 = -49.12%
Formula
Percentage change = [(290 - 570) / 570] x 100
Subtract the new number by the original number
290 - 570 = -280
-280 ÷ 570 = -0.49122807017543857
-0.49122807017543857 x 100 = -49.12%