-17.2% is the change from 878 to 727
Calculation steps:
[( 727 - 878 ) ÷ 878] x 100 = -17.2%
Formula
Percentage change = [(727 - 878) / 878] x 100
Subtract the new number by the original number
727 - 878 = -151
-151 ÷ 878 = -0.17198177676537585
-0.17198177676537585 x 100 = -17.2%