-73.62% is the change from 978 to 258
Calculation steps:
[( 258 - 978 ) ÷ 978] x 100 = -73.62%
Formula
Percentage change = [(258 - 978) / 978] x 100
Subtract the new number by the original number
258 - 978 = -720
-720 ÷ 978 = -0.7361963190184049
-0.7361963190184049 x 100 = -73.62%