-26.58% is the change from 978 to 718
Calculation steps:
[( 718 - 978 ) ÷ 978] x 100 = -26.58%
Formula
Percentage change = [(718 - 978) / 978] x 100
Subtract the new number by the original number
718 - 978 = -260
-260 ÷ 978 = -0.2658486707566462
-0.2658486707566462 x 100 = -26.58%