-51.23% is the change from 978 to 477
Calculation steps:
[( 477 - 978 ) ÷ 978] x 100 = -51.23%
Formula
Percentage change = [(477 - 978) / 978] x 100
Subtract the new number by the original number
477 - 978 = -501
-501 ÷ 978 = -0.5122699386503068
-0.5122699386503068 x 100 = -51.23%