-79.55% is the change from 978 to 200
Calculation steps:
[( 200 - 978 ) ÷ 978] x 100 = -79.55%
Formula
Percentage change = [(200 - 978) / 978] x 100
Subtract the new number by the original number
200 - 978 = -778
-778 ÷ 978 = -0.7955010224948875
-0.7955010224948875 x 100 = -79.55%