How are these numbers calculated?

Big Games

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

Week of 4/22100.0*Promoted100.0*Relegated100.0*Average seed
Brechin 0 Stranraer 0 -0.5
-0.2
-0.2
Airdrieonians 0 Alloa Athletic 1 +0.1
Livingston 4 Queens Park 0 +0.1
Albion Rovers 0 East Fife 1 -0.1
-0.1
+0.0
Peterhead 0 Stenhousemuir 1 -1.8
+0.1
Week of 4/29100.0*Promoted100.0*Relegated100.0*Average seed
Alloa Athletic 1 Stranraer 0 No
+0.6
-0.3
Brechin 1 Albion Rovers 0 No
-0.1
+0.2
Queens Park 0 Stenhousemuir 2 +0.1
+0.5
Livingston 4 Peterhead 1 -0.6
+0.0
Week of 5/6100.0*Promoted100.0*Relegated100.0*Average seed
Stenhousemuir 1 Brechin 1 No
Stranraer 2 East Fife 1 No
+0.4
Albion Rovers 0 Livingston 2 +0.2
Points
Chance Will Win Championship