-9.51% is the change from 978 to 885
Calculation steps:
[( 885 - 978 ) ÷ 978] x 100 = -9.51%
Formula
Percentage change = [(885 - 978) / 978] x 100
Subtract the new number by the original number
885 - 978 = -93
-93 ÷ 978 = -0.0950920245398773
-0.0950920245398773 x 100 = -9.51%