-36.03% is the change from 891 to 570
Calculation steps:
[( 570 - 891 ) ÷ 891] x 100 = -36.03%
Formula
Percentage change = [(570 - 891) / 891] x 100
Subtract the new number by the original number
570 - 891 = -321
-321 ÷ 891 = -0.3602693602693603
-0.3602693602693603 x 100 = -36.03%