-64.83% is the change from 978 to 344
Calculation steps:
[( 344 - 978 ) ÷ 978] x 100 = -64.83%
Formula
Percentage change = [(344 - 978) / 978] x 100
Subtract the new number by the original number
344 - 978 = -634
-634 ÷ 978 = -0.6482617586912065
-0.6482617586912065 x 100 = -64.83%