-31.74% is the change from 835 to 570
Calculation steps:
[( 570 - 835 ) ÷ 835] x 100 = -31.74%
Formula
Percentage change = [(570 - 835) / 835] x 100
Subtract the new number by the original number
570 - 835 = -265
-265 ÷ 835 = -0.31736526946107785
-0.31736526946107785 x 100 = -31.74%