How are these numbers calculated?

Big Games

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

Week of 5/9100.0*Chance in playoffs100.0*European Rugby Champions Cup Berth100.0*Average seed
Bordeaux-Bègles 26 Oyonnax 23 -13.9
-13.9
-0.7
Montpellier 33 Bayonne 16 -1.0
-1.0
-0.0
Toulouse 67 Brive 19 -0.4
-0.4
-0.1
If winner is:HomeDrawAway
Lyon vs La Rochelle+4.8+4.7-5.2
+4.8+4.7-5.2
+0.1+0.1-0.1
Racing Métro 92 vs Paris+0.2-1.6-0.3
+0.2-1.6-0.3
If winner is:HomeDrawAway
Week of 5/16100.0*Chance in playoffs100.0*European Rugby Champions Cup Berth100.0*Average seed
Oyonnax vs Lyon+10.0-37.1-48.2
+10.0-37.1-48.2
+0.3-0.9-1.4
Paris vs Montpellier+5.1-20.7-11.3
+5.1-20.7-11.3
+0.0-0.3-0.1
Bordeaux-Bègles vs Bayonne-3.4+0.5+9.4
-3.4+0.5+9.4
-0.1+0.0+0.2
La Rochelle vs Racing Métro 92-2.6+4.7+3.6
-2.6+4.7+3.6
-0.0+0.1+0.0
Clermont vs Toulon-0.1*-0.1+0.1
-0.1*-0.1+0.1
-0.0+0.0+0.1
Grenoble vs Toulouse-0.1*+0.1+0.1
-0.1*+0.1+0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

Chances based on how well the Oyonnax finish out the regular season.   Explain

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedRelegated
TPW-D-LplayoffsEuropean Rugby Champions Cup Berth1234567891011121314to ProD2Count
602-0-0InYes02205523No7,168,317
581-1-088.2%88.2%033055111No1,884,292
561-0-167.367.36622840No23,055,430
0-2-067.667.66622840No85,941
540-1-17.07.0073347111No1,521,642
520-0-22.32.321844314No3,559,766
Total:66.0%66.0%004164621940No37,275,388
Games Above .500
Chance Will Make Playoffs