-78.94% is the change from 978 to 206
Calculation steps:
[( 206 - 978 ) ÷ 978] x 100 = -78.94%
Formula
Percentage change = [(206 - 978) / 978] x 100
Subtract the new number by the original number
206 - 978 = -772
-772 ÷ 978 = -0.7893660531697342
-0.7893660531697342 x 100 = -78.94%