-70.25% is the change from 978 to 291
Calculation steps:
[( 291 - 978 ) ÷ 978] x 100 = -70.25%
Formula
Percentage change = [(291 - 978) / 978] x 100
Subtract the new number by the original number
291 - 978 = -687
-687 ÷ 978 = -0.7024539877300614
-0.7024539877300614 x 100 = -70.25%