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*Promoted100.0*Relegated100.0*Average seed
Stranraer 3 Brechin 0 +0.1
-5.5
+0.5
Montrose 2 Airdrieonians 1 No
+0.1
Dumbarton 3 East Fife 0 +0.4
-0.1
Stenhousemuir 0 Forfar Athletic 3 -1.7
+0.0
Week of 4/27100.0*Promoted100.0*Relegated100.0*Average seed
Dumbarton 2 Stranraer 1 -0.6
Airdrieonians 3 Arbroath 0 -0.2
Week of 5/4100.0*Promoted100.0*Relegated100.0*Average seed
Stranraer 1 Airdrieonians 4 -0.1
Arbroath 1 Dumbarton 1 -0.0
Points
Chance Will Win Championship