-65.44% is the change from 978 to 338
Calculation steps:
[( 338 - 978 ) ÷ 978] x 100 = -65.44%
Formula
Percentage change = [(338 - 978) / 978] x 100
Subtract the new number by the original number
338 - 978 = -640
-640 ÷ 978 = -0.65439672801636
-0.65439672801636 x 100 = -65.44%