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
Airdrieonians 2 East Fife 1 No
+0.3
Forfar Athletic 0 Arbroath 2 +0.6
+0.1
Ayr Utd 1 Dunfermline 1 No
Stranraer 1 Brechin 2 +0.3
-0.2
Week of 4/26100.0*Promoted100.0*Relegated100.0*Average seed
Stenhousemuir 1 Airdrieonians 2 +0.6
Forfar Athletic 4 Ayr Utd 2 -0.2
East Fife 1 Brechin 2 -0.2
Week of 5/3100.0*Promoted100.0*Relegated100.0*Average seed
Airdrieonians 2 Arbroath 0 +0.9
Brechin 1 Stenhousemuir 3 +0.2
Stranraer 3 Forfar Athletic 1 +0.2
Points
Chance Will Win Championship