-36.81% is the change from 978 to 618
Calculation steps:
[( 618 - 978 ) ÷ 978] x 100 = -36.81%
Formula
Percentage change = [(618 - 978) / 978] x 100
Subtract the new number by the original number
618 - 978 = -360
-360 ÷ 978 = -0.36809815950920244
-0.36809815950920244 x 100 = -36.81%