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 +0.4
+0.4
+0.3
-0.1
Montpellier 33 Bayonne 16 -1.5
Toulouse 67 Brive 19 -0.3
+0.1
Toulon 37 Castres 21 -1.2
+0.1
If winner is:HomeDrawAway
Grenoble vs Clermont+1.0-0.9Out
+1.0-0.9No
-7.1-1.0+8.2
+0.8-0.2-0.9
Racing Métro 92 vs Paris-0.2-0.2+0.5
-0.2-0.2+0.5
Lyon vs La Rochelle+0.1+0.2-0.2
+0.1+0.2-0.2
-0.3+0.1+0.3
+0.2+0.1-0.2
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-0.9+3.6+4.1
-0.9+3.6+4.1
-0.0+0.1+0.1
Grenoble vs Toulouse+1.2-0.9Out
+1.2-0.9No
-7.1-1.4+7.3
+0.9-0.1-0.9
Paris vs Montpellier+0.2-0.5-0.6
+0.2-0.5-0.6
+0.1-0.1-0.1
Bordeaux-Bègles vs Bayonne-0.1+0.0+0.3
-0.1+0.0+0.3
-1.6+3.1+3.8
+0.0-0.2+0.0
La Rochelle vs Racing Métro 92+0.1-0.1-0.1
+0.1-0.1-0.1
+0.3*-0.0-0.4
-0.1+0.1+0.2
Castres vs Brive+2.3+1.6-5.0
+0.1+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 Grenoble 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
523-0-010.1%10.1%010562950No3,912,397
502-1-00.80.8011037457No1,195,420
482-0-1OutNo21843325No11,999,612
1-2-0OutNo21844325No121,321
461-1-1OutNo2452232No2,435,188
0-3-0OutNo2252251No4,214
441-0-2OutNo225551611.3%12,171,457
0-2-1OutNo225551711.3123,034
420-1-2OutNo23512625.81,231,123
400-0-3OutNo6385656.04,081,622
Total:1.1%1.1%017101822231177.4%37,275,388
Games Above .500
Chance Will Make Playoffs