How are these numbers calculated?

Big Games

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

Week of 5/4100.0*Average seed
Hearts 0 Kilmarnock 1 +0.6
Aberdeen 0 Celtic 3 +0.1
Rangers 1 Hibernian 0 +0.1
Aberdeen 2 Hearts 1 -0.0
Week of 5/11100.0*Average seed
Kilmarnock 1 Hibernian 0 +0.8
Rangers 2 Celtic 0 -0.1
Week of 5/18100.0*Average seed
Kilmarnock 2 Rangers 1 +0.3
Hibernian 1 Aberdeen 2 -0.3
Points
Chance Will Win Championship