-31.65% is the change from 834 to 570
Calculation steps:
[( 570 - 834 ) ÷ 834] x 100 = -31.65%
Formula
Percentage change = [(570 - 834) / 834] x 100
Subtract the new number by the original number
570 - 834 = -264
-264 ÷ 834 = -0.31654676258992803
-0.31654676258992803 x 100 = -31.65%