How are these numbers calculated?

Big Games

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

Week of 2/29100.0*Promoted100.0*Relegated100.0*Average seed
Stenhousemuir 0 Cove Rangers 3 -0.1
+0.2
-0.2
Albion Rovers 1 Elgin City 2 +0.1
Queens Park 2 Annan Athletic 0 +0.0
Week of 3/7100.0*Promoted100.0*Relegated100.0*Average seed
Stenhousemuir 0 Queens Park 0 -0.2
Annan Athletic 0 Cowdenbeath 0 +0.1
Points
Chance Will Win Championship