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
Airdrieonians 0 Alloa Athletic 1 -3.5
-0.4
Albion Rovers 0 East Fife 1 -1.0
-0.1
Livingston 4 Queens Park 0 +0.8
+0.1
Brechin 0 Stranraer 0 +0.3
+0.1
Peterhead 0 Stenhousemuir 1 No
Week of 4/29100.0*Promoted100.0*Relegated100.0*Average seed
East Fife 0 Airdrieonians 4 +8.9
+1.0
Brechin 1 Albion Rovers 0 -2.4
-0.2
Queens Park 0 Stenhousemuir 2 +1.5
+0.2
Alloa Athletic 1 Stranraer 0 +0.0
Week of 5/6100.0*Promoted100.0*Relegated100.0*Average seed
Airdrieonians 3 Queens Park 2 +4.0
+0.5
Stranraer 2 East Fife 1 +1.4
+0.1
Stenhousemuir 1 Brechin 1 -0.7
+0.1
Points
Chance Will Win Championship