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
Aberdeen 2 Hearts 1 +0.8
Aberdeen 0 Celtic 3 -0.2
Rangers 1 Hibernian 0 +0.1
Hearts 0 Kilmarnock 1 +0.1
Week of 5/11100.0*Average seed
Kilmarnock 1 Hibernian 0 -0.1
Week of 5/18100.0*Average seed
Kilmarnock 2 Rangers 1 -0.4
Hibernian 1 Aberdeen 2 +0.4
Points
Chance Will Win Championship