-26.89% is the change from 978 to 715
Calculation steps:
[( 715 - 978 ) ÷ 978] x 100 = -26.89%
Formula
Percentage change = [(715 - 978) / 978] x 100
Subtract the new number by the original number
715 - 978 = -263
-263 ÷ 978 = -0.2689161554192229
-0.2689161554192229 x 100 = -26.89%