-86.4% is the change from 978 to 133
Calculation steps:
[( 133 - 978 ) ÷ 978] x 100 = -86.4%
Formula
Percentage change = [(133 - 978) / 978] x 100
Subtract the new number by the original number
133 - 978 = -845
-845 ÷ 978 = -0.8640081799591002
-0.8640081799591002 x 100 = -86.4%