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 +8.7
+8.7
-2.0
+0.8
Montpellier 33 Bayonne 16 -0.6
-0.6
+0.3
-0.1
Toulouse 67 Brive 19 -0.1
-0.1
-0.3
+0.1
Toulon 37 Castres 21 -0.1
-0.1
-0.6
+0.0
If winner is:HomeDrawAway
Racing Métro 92 vs Paris-0.9-1.2+2.4
-0.9-1.2+2.4
-0.0-0.0+0.1
Lyon vs La Rochelle+0.9*-0.0-0.9
+0.9*-0.0-0.9
+0.2-0.1-0.1
Grenoble vs Clermont-0.1+0.1+0.2
-0.1+0.1+0.2
-0.1+0.1+0.1
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-3.5+25.3+12.4
-3.5+25.3+12.4
-0.1+0.6+0.4
Bordeaux-Bègles vs Bayonne+6.0-4.7-15.7
+6.0-4.7-15.7
+0.5-0.0-1.5
Paris vs Montpellier+1.9+0.1-5.7
+1.9+0.1-5.7
+0.1+0.0-0.3
La Rochelle vs Racing Métro 92+0.3-1.0-0.4
+0.3-1.0-0.4
-0.1-0.1+0.1
Grenoble vs Toulouse-0.4+0.3+0.4
-0.4+0.3+0.4
-0.1+0.1+0.1
Clermont vs Toulon-0.2-0.2+0.5
-0.2-0.2+0.5
Castres vs Brive+0.0+0.0-0.1

* 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 Bordeaux-Bègles 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
522-0-083.7%83.7%022655151No4,859,391
501-1-057.757.73553291No1,582,989
481-0-15.85.8062951131No21,717,149
0-2-05.95.9062951131No85,632
460-1-11.41.411545344No1,820,430
440-0-2OutNo043442173No7,209,797
Total:16.8%16.8%00413213416930No37,275,388
Games Above .500
Chance Will Make Playoffs