-28.48% is the change from 797 to 570
Calculation steps:
[( 570 - 797 ) ÷ 797] x 100 = -28.48%
Formula
Percentage change = [(570 - 797) / 797] x 100
Subtract the new number by the original number
570 - 797 = -227
-227 ÷ 797 = -0.2848180677540778
-0.2848180677540778 x 100 = -28.48%