How are these numbers calculated?

Big Games

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

Week of 4/28100.0*Chance wins title100.0*Average seed
Celtic 5 Rangers 0 No
+0.1
Hibernian 5 Kilmarnock 3 -0.1
Week of 5/5100.0*Chance wins title100.0*Average seed
Hearts 2 Hibernian 1 +0.2
Rangers 1 Kilmarnock 0 -0.1
Aberdeen 0 Hibernian 0 +0.1
Aberdeen 1 Rangers 1 +0.0
Week of 5/12100.0*Chance wins title100.0*Average seed
Celtic 0 Aberdeen 1 +0.4
Hibernian 5 Rangers 5 -0.1
Points
Chance Will Win Championship