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 -4.2
+1.0
-0.1
Toyota Free Sta 30 Sharks 37 +0.1
Week of 10/12100.0*Chance in playoffs100.0*Relegated to First Division100.0*Average seed
Sharks 42 GWK Griquas 3 +0.1
+0.2
Week of 10/20100.0*Chance in playoffs100.0*Relegated to First Division100.0*Average seed
MTN Golden Lion 10 DHL Western Pro 27 +0.9

What If

Chances based on how well the DHL Western Pro finish out the regular season.   Explain

100100100100100100
If finish:Chance inChance will finish regular season at seedRelegated to
TPW-D-Lplayoffs123456First DivisionCount
290-0-0In100No73,549,299
Total:In100No73,549,299
Games Above .500
Chance Will Make Playoffs