-76.38% is the change from 978 to 231
Calculation steps:
[( 231 - 978 ) ÷ 978] x 100 = -76.38%
Formula
Percentage change = [(231 - 978) / 978] x 100
Subtract the new number by the original number
231 - 978 = -747
-747 ÷ 978 = -0.7638036809815951
-0.7638036809815951 x 100 = -76.38%