How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Promoted100.0*Relegated100.0*Average seed
Stranraer 1 Brechin 2 -1.4
+0.4
Ayr Utd 1 Dunfermline 1 No
Forfar Athletic 0 Arbroath 2 +0.3
+0.1
Airdrieonians 2 East Fife 1 -0.7
-0.1
Week of 4/26100.0*Promoted100.0*Relegated100.0*Average seed
East Fife 1 Brechin 2 +0.5
Forfar Athletic 4 Ayr Utd 2 -0.2
Stenhousemuir 1 Airdrieonians 2 -0.1
Week of 5/3100.0*Promoted100.0*Relegated100.0*Average seed
Brechin 1 Stenhousemuir 3 -1.0
Airdrieonians 2 Arbroath 0 -0.3
Stranraer 3 Forfar Athletic 1 +0.2
Points
Chance Will Win Championship