How are these numbers calculated?

Big Games

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

Week of 5/7100.0*Average seed
Rangers 2 Hearts 1 -0.1
Motherwell 2 Hibernian 2 +0.0
Week of 5/14100.0*Average seed
Hibernian 1 Aberdeen 2 -0.1
Rangers 4 Motherwell 1 +0.0
Week of 5/21None
Points
Chance Will Win Championship