-70.55% is the change from 978 to 288
Calculation steps:
[( 288 - 978 ) ÷ 978] x 100 = -70.55%
Formula
Percentage change = [(288 - 978) / 978] x 100
Subtract the new number by the original number
288 - 978 = -690
-690 ÷ 978 = -0.7055214723926381
-0.7055214723926381 x 100 = -70.55%