-74.39% is the change from 570 to 146
Calculation steps:
[( 146 - 570 ) ÷ 570] x 100 = -74.39%
Formula
Percentage change = [(146 - 570) / 570] x 100
Subtract the new number by the original number
146 - 570 = -424
-424 ÷ 570 = -0.743859649122807
-0.743859649122807 x 100 = -74.39%