-45.71% is the change from 978 to 531
Calculation steps:
[( 531 - 978 ) ÷ 978] x 100 = -45.71%
Formula
Percentage change = [(531 - 978) / 978] x 100
Subtract the new number by the original number
531 - 978 = -447
-447 ÷ 978 = -0.4570552147239264
-0.4570552147239264 x 100 = -45.71%