-59.82% is the change from 978 to 393
Calculation steps:
[( 393 - 978 ) ÷ 978] x 100 = -59.82%
Formula
Percentage change = [(393 - 978) / 978] x 100
Subtract the new number by the original number
393 - 978 = -585
-585 ÷ 978 = -0.598159509202454
-0.598159509202454 x 100 = -59.82%