-11.04% is the change from 987 to 878
Calculation steps:
[( 878 - 987 ) ÷ 987] x 100 = -11.04%
Formula
Percentage change = [(878 - 987) / 987] x 100
Subtract the new number by the original number
878 - 987 = -109
-109 ÷ 987 = -0.11043566362715299
-0.11043566362715299 x 100 = -11.04%