How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/17100.0*Average seed
Kilmarnock 2 Falkirk 1 -0.5
Aberdeen 2 Rangers 0 -0.2
Dundee Utd 0 Celtic 1 +0.1
Hibernian 0 Motherwell 2 +0.1
Points
Chance Will Win Championship