-39.06% is the change from 978 to 596
Calculation steps:
[( 596 - 978 ) ÷ 978] x 100 = -39.06%
Formula
Percentage change = [(596 - 978) / 978] x 100
Subtract the new number by the original number
596 - 978 = -382
-382 ÷ 978 = -0.39059304703476483
-0.39059304703476483 x 100 = -39.06%