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*Promoted100.0*Average seed
Alloa Athletic 2 Queen of the South 2 -0.1
Dumbarton 1 Rangers 3 -0.0
Week of 4/25100.0*Promoted100.0*Average seed
Queen of the South 2 Dumbarton 1 +0.1
Rangers 2 Falkirk 2 +0.1
Week of 5/2None
Points
Chance Will Win Championship