-36.2% is the change from 978 to 624
Calculation steps:
[( 624 - 978 ) ÷ 978] x 100 = -36.2%
Formula
Percentage change = [(624 - 978) / 978] x 100
Subtract the new number by the original number
624 - 978 = -354
-354 ÷ 978 = -0.3619631901840491
-0.3619631901840491 x 100 = -36.2%