-65.03% is the change from 978 to 342
Calculation steps:
[( 342 - 978 ) ÷ 978] x 100 = -65.03%
Formula
Percentage change = [(342 - 978) / 978] x 100
Subtract the new number by the original number
342 - 978 = -636
-636 ÷ 978 = -0.6503067484662577
-0.6503067484662577 x 100 = -65.03%