How are these numbers calculated?

Big Games

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

Week of 10/6100.0*Chance in playoffs100.0*Relegated to First Division100.0*Average seed
GWK Griquas 37 MTN Golden Lion 21 -19.5
+27.5
-0.5
Toyota Free Sta 30 Sharks 37 +12.6
-9.5
+0.2
Week of 10/12100.0*Chance in playoffs100.0*Relegated to First Division100.0*Average seed
Sharks 42 GWK Griquas 3 +3.7
+0.1
Week of 10/20100.0*Chance in playoffs100.0*Relegated to First Division100.0*Average seed
MTN Golden Lion 10 DHL Western Pro 27 -0.2

What If

Chances based on how well the Vodacom Blue Bu finish out the regular season.   Explain

100100100100100100
If finish:Chance inChance will finish regular season at seedRelegated to
TPW-D-Lplayoffs123456First DivisionCount
23-29In100No73,549,299*
Total:In100No73,549,299

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs