-76.69% is the change from 978 to 228
Calculation steps:
[( 228 - 978 ) ÷ 978] x 100 = -76.69%
Formula
Percentage change = [(228 - 978) / 978] x 100
Subtract the new number by the original number
228 - 978 = -750
-750 ÷ 978 = -0.7668711656441718
-0.7668711656441718 x 100 = -76.69%