-94.79% is the change from 978 to 51
Calculation steps:
[( 51 - 978 ) ÷ 978] x 100 = -94.79%
Formula
Percentage change = [(51 - 978) / 978] x 100
Subtract the new number by the original number
51 - 978 = -927
-927 ÷ 978 = -0.9478527607361963
-0.9478527607361963 x 100 = -94.79%