-44.58% is the change from 978 to 542
Calculation steps:
[( 542 - 978 ) ÷ 978] x 100 = -44.58%
Formula
Percentage change = [(542 - 978) / 978] x 100
Subtract the new number by the original number
542 - 978 = -436
-436 ÷ 978 = -0.4458077709611452
-0.4458077709611452 x 100 = -44.58%