-37.46% is the change from 857 to 536
Calculation steps:
[( 536 - 857 ) ÷ 857] x 100 = -37.46%
Formula
Percentage change = [(536 - 857) / 857] x 100
Subtract the new number by the original number
536 - 857 = -321
-321 ÷ 857 = -0.37456242707117854
-0.37456242707117854 x 100 = -37.46%