-14.91% is the change from 570 to 485
Calculation steps:
[( 485 - 570 ) ÷ 570] x 100 = -14.91%
Formula
Percentage change = [(485 - 570) / 570] x 100
Subtract the new number by the original number
485 - 570 = -85
-85 ÷ 570 = -0.14912280701754385
-0.14912280701754385 x 100 = -14.91%