-10.5% is the change from 981 to 878
Calculation steps:
[( 878 - 981 ) ÷ 981] x 100 = -10.5%
Formula
Percentage change = [(878 - 981) / 981] x 100
Subtract the new number by the original number
878 - 981 = -103
-103 ÷ 981 = -0.10499490316004077
-0.10499490316004077 x 100 = -10.5%