-73.68% is the change from 570 to 150
Calculation steps:
[( 150 - 570 ) ÷ 570] x 100 = -73.68%
Formula
Percentage change = [(150 - 570) / 570] x 100
Subtract the new number by the original number
150 - 570 = -420
-420 ÷ 570 = -0.7368421052631579
-0.7368421052631579 x 100 = -73.68%