-27.51% is the change from 978 to 709
Calculation steps:
[( 709 - 978 ) ÷ 978] x 100 = -27.51%
Formula
Percentage change = [(709 - 978) / 978] x 100
Subtract the new number by the original number
709 - 978 = -269
-269 ÷ 978 = -0.27505112474437626
-0.27505112474437626 x 100 = -27.51%