-59.92% is the change from 978 to 392
Calculation steps:
[( 392 - 978 ) ÷ 978] x 100 = -59.92%
Formula
Percentage change = [(392 - 978) / 978] x 100
Subtract the new number by the original number
392 - 978 = -586
-586 ÷ 978 = -0.5991820040899796
-0.5991820040899796 x 100 = -59.92%