-72.39% is the change from 978 to 270
Calculation steps:
[( 270 - 978 ) ÷ 978] x 100 = -72.39%
Formula
Percentage change = [(270 - 978) / 978] x 100
Subtract the new number by the original number
270 - 978 = -708
-708 ÷ 978 = -0.7239263803680982
-0.7239263803680982 x 100 = -72.39%