-8.54% is the change from 878 to 803
Calculation steps:
[( 803 - 878 ) ÷ 878] x 100 = -8.54%
Formula
Percentage change = [(803 - 878) / 878] x 100
Subtract the new number by the original number
803 - 878 = -75
-75 ÷ 878 = -0.08542141230068337
-0.08542141230068337 x 100 = -8.54%