-91.62% is the change from 978 to 82
Calculation steps:
[( 82 - 978 ) ÷ 978] x 100 = -91.62%
Formula
Percentage change = [(82 - 978) / 978] x 100
Subtract the new number by the original number
82 - 978 = -896
-896 ÷ 978 = -0.9161554192229039
-0.9161554192229039 x 100 = -91.62%