-80.47% is the change from 978 to 191
Calculation steps:
[( 191 - 978 ) ÷ 978] x 100 = -80.47%
Formula
Percentage change = [(191 - 978) / 978] x 100
Subtract the new number by the original number
191 - 978 = -787
-787 ÷ 978 = -0.8047034764826176
-0.8047034764826176 x 100 = -80.47%