-0.51% is the change from 978 to 973
Calculation steps:
[( 973 - 978 ) ÷ 978] x 100 = -0.51%
Formula
Percentage change = [(973 - 978) / 978] x 100
Subtract the new number by the original number
973 - 978 = -5
-5 ÷ 978 = -0.005112474437627812
-0.005112474437627812 x 100 = -0.51%