-57.54% is the change from 570 to 242
Calculation steps:
[( 242 - 570 ) ÷ 570] x 100 = -57.54%
Formula
Percentage change = [(242 - 570) / 570] x 100
Subtract the new number by the original number
242 - 570 = -328
-328 ÷ 570 = -0.5754385964912281
-0.5754385964912281 x 100 = -57.54%