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
Montpellier 33 Bayonne 16 +13.0
+13.0
No
+1.3
Bordeaux-Bègles 26 Oyonnax 23 +2.3
+2.3
+0.5
-0.1
Toulon 37 Castres 21 +0.3
+0.3
-1.7
+0.1
Toulouse 67 Brive 19 +0.2
+0.2
-1.0
+0.1
If winner is:HomeDrawAway
Racing Métro 92 vs Paris-2.5-2.4+2.8
-2.5-2.4+2.8
-0.0-0.0+0.1
Lyon vs La Rochelle+1.9-0.7-1.8
+1.9-0.7-1.8
+0.1-0.1-0.1
Grenoble vs Clermont-0.6+0.5+0.6
-0.6+0.5+0.6
-0.1+0.0+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
Paris vs Montpellier-23.6-4.7+24.0
-23.6-4.7+24.0
-0.9-0.1+0.9
Oyonnax vs Lyon-8.4-1.3+8.5
-8.4-1.3+8.5
-0.2+0.0+0.2
Bordeaux-Bègles vs Bayonne-3.8-1.7+4.0
-3.8-1.7+4.0
-0.2-0.1+0.2
La Rochelle vs Racing Métro 92+2.3-3.0-2.0
+2.3-3.0-2.0
-0.0-0.2+0.0
Grenoble vs Toulouse-1.0+0.9+1.0
-1.0+0.9+1.0
-0.1+0.1+0.1
Clermont vs Toulon-0.4-0.5+0.5
-0.4-0.5+0.5
-0.1-0.1+0.1
Castres vs Brive+0.0+0.1-0.1

What If

Chances based on how well the Montpellier 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
562-0-094.1%94.1%11546326No2,768,762
541-1-057.757.78503570No556,933
521-0-118.618.6117502640No5,532,123
0-2-018.518.5117502740No28,105
500-1-12.32.322044294No557,741
480-0-2OutNo42442264No2,767,068
Total:32.5%32.5%03111828201361No12,210,732
Games Above .500
Chance Will Make Playoffs