-53.58% is the change from 978 to 454
Calculation steps:
[( 454 - 978 ) ÷ 978] x 100 = -53.58%
Formula
Percentage change = [(454 - 978) / 978] x 100
Subtract the new number by the original number
454 - 978 = -524
-524 ÷ 978 = -0.5357873210633947
-0.5357873210633947 x 100 = -53.58%