-9.92% is the change from 978 to 881
Calculation steps:
[( 881 - 978 ) ÷ 978] x 100 = -9.92%
Formula
Percentage change = [(881 - 978) / 978] x 100
Subtract the new number by the original number
881 - 978 = -97
-97 ÷ 978 = -0.09918200408997956
-0.09918200408997956 x 100 = -9.92%