-46.83% is the change from 978 to 520
Calculation steps:
[( 520 - 978 ) ÷ 978] x 100 = -46.83%
Formula
Percentage change = [(520 - 978) / 978] x 100
Subtract the new number by the original number
520 - 978 = -458
-458 ÷ 978 = -0.46830265848670755
-0.46830265848670755 x 100 = -46.83%