-34.03% is the change from 864 to 570
Calculation steps:
[( 570 - 864 ) ÷ 864] x 100 = -34.03%
Formula
Percentage change = [(570 - 864) / 864] x 100
Subtract the new number by the original number
570 - 864 = -294
-294 ÷ 864 = -0.3402777777777778
-0.3402777777777778 x 100 = -34.03%