-53.99% is the change from 978 to 450
Calculation steps:
[( 450 - 978 ) ÷ 978] x 100 = -53.99%
Formula
Percentage change = [(450 - 978) / 978] x 100
Subtract the new number by the original number
450 - 978 = -528
-528 ÷ 978 = -0.5398773006134969
-0.5398773006134969 x 100 = -53.99%