-47.85% is the change from 978 to 510
Calculation steps:
[( 510 - 978 ) ÷ 978] x 100 = -47.85%
Formula
Percentage change = [(510 - 978) / 978] x 100
Subtract the new number by the original number
510 - 978 = -468
-468 ÷ 978 = -0.4785276073619632
-0.4785276073619632 x 100 = -47.85%