-71.47% is the change from 978 to 279
Calculation steps:
[( 279 - 978 ) ÷ 978] x 100 = -71.47%
Formula
Percentage change = [(279 - 978) / 978] x 100
Subtract the new number by the original number
279 - 978 = -699
-699 ÷ 978 = -0.7147239263803681
-0.7147239263803681 x 100 = -71.47%