-27.2% is the change from 978 to 712
Calculation steps:
[( 712 - 978 ) ÷ 978] x 100 = -27.2%
Formula
Percentage change = [(712 - 978) / 978] x 100
Subtract the new number by the original number
712 - 978 = -266
-266 ÷ 978 = -0.2719836400817996
-0.2719836400817996 x 100 = -27.2%