-13.1% is the change from 878 to 763
Calculation steps:
[( 763 - 878 ) ÷ 878] x 100 = -13.1%
Formula
Percentage change = [(763 - 878) / 878] x 100
Subtract the new number by the original number
763 - 878 = -115
-115 ÷ 878 = -0.13097949886104784
-0.13097949886104784 x 100 = -13.1%