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
Toulouse 67 Brive 19 Out
No
+5.0
-0.4
Bordeaux-Bègles 26 Oyonnax 23 +0.1
+0.1
+0.4
-0.1
Montpellier 33 Bayonne 16 -2.3
+0.0
Toulon 37 Castres 21 -0.8
+0.1
If winner is:HomeDrawAway
Grenoble vs Clermont+2.8+2.1-3.4
-0.2-0.1+0.2
Lyon vs La Rochelle-0.5+0.2+0.5
+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
Castres vs Brive+10.7-14.9No
-0.6+0.2+1.2
Bordeaux-Bègles vs Bayonne-3.9+8.0+9.2
+0.1-0.3-0.2
Grenoble vs Toulouse+2.8+2.3-3.0
-0.2-0.1+0.2
La Rochelle vs Racing Métro 92+0.5*+0.1-0.8
-0.1+0.1+0.2

* 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 Brive 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
522-0-0OutNo21844314No5,994,497
501-1-0OutNo1948302No1,485,311
481-0-1OutNo334461511.4%17,525,510
0-2-0OutNo334461511.585,985
460-1-1OutNo217463534.91,915,920
440-0-2OutNo3326564.710,268,165
Total:OutNo0392325182020.3%37,275,388
Games Above .500
Chance Will Make Playoffs