How are these numbers calculated?

Big Games

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

Week of 4/20100.0*Average seed
Stenhousemuir 0 Forfar Athletic 3 -0.1
Arbroath 2 Raith Rovers 2 -0.0
Week of 4/27100.0*Average seed
Forfar Athletic 1 Montrose 0 -0.3
Raith Rovers 3 Brechin 2 +0.2
Week of 5/4100.0*Average seed
East Fife 2 Forfar Athletic 3 -0.4
Montrose 1 Raith Rovers 1 -0.0
Points
Chance Will Win Championship