-87.53% is the change from 978 to 122
Calculation steps:
[( 122 - 978 ) ÷ 978] x 100 = -87.53%
Formula
Percentage change = [(122 - 978) / 978] x 100
Subtract the new number by the original number
122 - 978 = -856
-856 ÷ 978 = -0.8752556237218814
-0.8752556237218814 x 100 = -87.53%