-86.84% is the change from 570 to 75
Calculation steps:
[( 75 - 570 ) ÷ 570] x 100 = -86.84%
Formula
Percentage change = [(75 - 570) / 570] x 100
Subtract the new number by the original number
75 - 570 = -495
-495 ÷ 570 = -0.868421052631579
-0.868421052631579 x 100 = -86.84%