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*Relegated to ProD2100.0*Average seed
Bordeaux-Bègles 26 Oyonnax 23 -18.7
-18.7
-1.0
Montpellier 33 Bayonne 16 -2.7
-2.7
*No
-0.1
Toulouse 67 Brive 19 -1.1
-1.1
-0.1
If winner is:HomeDrawAway
Lyon vs La Rochelle+2.8+2.6-3.1
+2.8+2.6-3.1
+0.1+0.1-0.1
Racing Métro 92 vs Paris-0.1-1.2+0.2
-0.1-1.2+0.2
If winner is:HomeDrawAway
Week of 5/16100.0*Chance in playoffs100.0*European Rugby Champions Cup Berth100.0*Relegated to ProD2100.0*Average seed
Oyonnax vs Lyon+25.4-7.1-24.7
+25.4-7.1-24.7
+0.9-0.2-0.9
Bordeaux-Bègles vs Bayonne-8.5-4.5+9.0
-8.5-4.5+9.0
-0.2-0.1+0.2
Paris vs Montpellier+6.2-8.3-5.3
+6.2-8.3-5.3
+0.1-0.2-0.1
La Rochelle vs Racing Métro 92-0.2+3.8-0.2
-0.2+3.8-0.2
+0.0+0.2-0.0
Grenoble vs Toulouse-0.1*-0.0+0.1
-0.1*-0.0+0.1
+0.0-0.1-0.0
Clermont vs Toulon-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
602-0-0InYes18324712No2,766,530
581-1-084.4%84.4%043644141No557,118
561-0-158.958.910493370No5,532,069
0-2-058.658.610493470No28,261
540-1-18.78.7183446101No558,489
520-0-22.42.421944314No2,768,265
Total:54.3%54.3%0271728221681No12,210,732
Games Above .500
Chance Will Make Playoffs