-15.17% is the change from 857 to 727
Calculation steps:
[( 727 - 857 ) ÷ 857] x 100 = -15.17%
Formula
Percentage change = [(727 - 857) / 857] x 100
Subtract the new number by the original number
727 - 857 = -130
-130 ÷ 857 = -0.1516919486581097
-0.1516919486581097 x 100 = -15.17%