-59.47% is the change from 570 to 231
Calculation steps:
[( 231 - 570 ) ÷ 570] x 100 = -59.47%
Formula
Percentage change = [(231 - 570) / 570] x 100
Subtract the new number by the original number
231 - 570 = -339
-339 ÷ 570 = -0.5947368421052631
-0.5947368421052631 x 100 = -59.47%