-47.14% is the change from 978 to 517
Calculation steps:
[( 517 - 978 ) ÷ 978] x 100 = -47.14%
Formula
Percentage change = [(517 - 978) / 978] x 100
Subtract the new number by the original number
517 - 978 = -461
-461 ÷ 978 = -0.47137014314928427
-0.47137014314928427 x 100 = -47.14%