-47.65% is the change from 978 to 512
Calculation steps:
[( 512 - 978 ) ÷ 978] x 100 = -47.65%
Formula
Percentage change = [(512 - 978) / 978] x 100
Subtract the new number by the original number
512 - 978 = -466
-466 ÷ 978 = -0.47648261758691207
-0.47648261758691207 x 100 = -47.65%