-32.72% is the change from 978 to 658
Calculation steps:
[( 658 - 978 ) ÷ 978] x 100 = -32.72%
Formula
Percentage change = [(658 - 978) / 978] x 100
Subtract the new number by the original number
658 - 978 = -320
-320 ÷ 978 = -0.32719836400818
-0.32719836400818 x 100 = -32.72%