-74.34% is the change from 978 to 251
Calculation steps:
[( 251 - 978 ) ÷ 978] x 100 = -74.34%
Formula
Percentage change = [(251 - 978) / 978] x 100
Subtract the new number by the original number
251 - 978 = -727
-727 ÷ 978 = -0.7433537832310838
-0.7433537832310838 x 100 = -74.34%