How are these numbers calculated?

Big Games

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

Week of 4/18100.0*Chance wins title100.0*Promoted100.0*Average seed
Clyde 2 Albion Rovers 3 +4.7
+3.5
+0.0
Arbroath 1 Queens Park 1 +3.7
+2.8
+0.0
Week of 4/25None
Week of 5/2None
Points
Chance Will Win Championship