-84.66% is the change from 978 to 150
Calculation steps:
[( 150 - 978 ) ÷ 978] x 100 = -84.66%
Formula
Percentage change = [(150 - 978) / 978] x 100
Subtract the new number by the original number
150 - 978 = -828
-828 ÷ 978 = -0.8466257668711656
-0.8466257668711656 x 100 = -84.66%