How are these numbers calculated?

Big Games

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

Week of 4/16100.0*Average seed
St Mirren 3 Morton 1 +0.6
Alloa 2 Queen of the South 2 +0.1
Dumbarton 2 Raith Rovers 3 +0.1
Week of 4/26100.0*Average seed
Hibernian 4 Dumbarton 0 +0.0
Week of 5/1100.0*Average seed
Hibernian 2 Queen of the South 0 +0.1
St Mirren 2 Rangers 2 +0.1
Falkirk 1 Morton 0 +0.1
Points
Chance Will Win Championship