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*Promoted100.0*Average seed
Stranraer 4 Dunfermline 1 +6.0
+0.3
Albion Rovers 0 Cowdenbeath 0 +2.0
+0.1
Forfar Athletic 0 Airdrieonians 2 -0.5
-0.1
Week of 4/23100.0*Promoted100.0*Average seed
Albion Rovers 3 Forfar Athletic 2 -1.8
-0.1
Brechin 1 Stranraer 0 -1.5
-0.1
Airdrieonians 3 Dunfermline 0 -1.2
-0.1
Week of 4/30100.0*Promoted100.0*Average seed
Stranraer 1 Cowdenbeath 0 +8.2
+0.4
Ayr Utd 0 Airdrieonians 3 -5.7
-0.4
Stenhousemuir 1 Albion Rovers 3 -5.7
-0.3
Points
Chance Will Win Championship