-67.48% is the change from 978 to 318
Calculation steps:
[( 318 - 978 ) ÷ 978] x 100 = -67.48%
Formula
Percentage change = [(318 - 978) / 978] x 100
Subtract the new number by the original number
318 - 978 = -660
-660 ÷ 978 = -0.6748466257668712
-0.6748466257668712 x 100 = -67.48%