-97.55% is the change from 978 to 24
Calculation steps:
[( 24 - 978 ) ÷ 978] x 100 = -97.55%
Formula
Percentage change = [(24 - 978) / 978] x 100
Subtract the new number by the original number
24 - 978 = -954
-954 ÷ 978 = -0.9754601226993865
-0.9754601226993865 x 100 = -97.55%