-51.12% is the change from 978 to 478
Calculation steps:
[( 478 - 978 ) ÷ 978] x 100 = -51.12%
Formula
Percentage change = [(478 - 978) / 978] x 100
Subtract the new number by the original number
478 - 978 = -500
-500 ÷ 978 = -0.5112474437627812
-0.5112474437627812 x 100 = -51.12%