How are these numbers calculated?

Big Games

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

Week of 4/18100.0*Average seed
Dumbarton 1 Rangers 3 -0.1
Week of 4/25100.0*Average seed
Rangers 2 Falkirk 2 +0.1
Hibernian 4 Alloa Athletic 1 +0.1
Week of 5/2100.0*Average seed
Falkirk 0 Hibernian 3 +0.1
Hearts 2 Rangers 2 +0.1
Points
Chance Will Win Championship