-68.92% is the change from 978 to 304
Calculation steps:
[( 304 - 978 ) ÷ 978] x 100 = -68.92%
Formula
Percentage change = [(304 - 978) / 978] x 100
Subtract the new number by the original number
304 - 978 = -674
-674 ÷ 978 = -0.689161554192229
-0.689161554192229 x 100 = -68.92%