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
Peterhead 0 Stenhousemuir 1 No
+18.2
-0.3
Albion Rovers 0 East Fife 1 -0.4
Brechin 0 Stranraer 0 +0.2
Week of 4/29100.0*Promoted100.0*Relegated100.0*Average seed
Queens Park 0 Stenhousemuir 2 +22.4
-0.3
Livingston 4 Peterhead 1 +8.2
-0.1
Alloa Athletic 1 Stranraer 0 -0.4
Brechin 1 Albion Rovers 0 -0.2
Week of 5/6100.0*Promoted100.0*Relegated100.0*Average seed
Peterhead 3 Alloa Athletic 2 -32.0
+0.4
Stenhousemuir 1 Brechin 1 +2.8
-0.0
Points
Chance Will Win Championship