-98.88% is the change from 978 to 11
Calculation steps:
[( 11 - 978 ) ÷ 978] x 100 = -98.88%
Formula
Percentage change = [(11 - 978) / 978] x 100
Subtract the new number by the original number
11 - 978 = -967
-967 ÷ 978 = -0.9887525562372188
-0.9887525562372188 x 100 = -98.88%