-75.46% is the change from 978 to 240
Calculation steps:
[( 240 - 978 ) ÷ 978] x 100 = -75.46%
Formula
Percentage change = [(240 - 978) / 978] x 100
Subtract the new number by the original number
240 - 978 = -738
-738 ÷ 978 = -0.754601226993865
-0.754601226993865 x 100 = -75.46%