-90.59% is the change from 978 to 92
Calculation steps:
[( 92 - 978 ) ÷ 978] x 100 = -90.59%
Formula
Percentage change = [(92 - 978) / 978] x 100
Subtract the new number by the original number
92 - 978 = -886
-886 ÷ 978 = -0.9059304703476483
-0.9059304703476483 x 100 = -90.59%