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*Average seed
Montpellier 33 Bayonne 16 -0.5
-0.5
Bordeaux-Bègles 26 Oyonnax 23 +0.3
+0.3
+0.1
Toulon 37 Castres 21 +0.1
+0.1
Toulouse 67 Brive 19 -0.1
If winner is:HomeDrawAway
Racing Métro 92 vs Paris+5.1+0.7-11.8
+5.1+0.7-11.8
+0.5-0.3-1.1
Lyon vs La Rochelle+0.9+0.6-0.9
+0.9+0.6-0.9
Grenoble vs Clermont-0.1+0.1+0.1
-0.1+0.1+0.1
+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*Average seed
La Rochelle vs Racing Métro 92-3.7+4.2+5.6
-3.7+4.2+5.6
-0.5+0.1+0.8
Paris vs Montpellier+1.1+0.4-3.4
+1.1+0.4-3.4
-0.0+0.0+0.1
Oyonnax vs Lyon-0.4+0.3+2.3
-0.4+0.3+2.3
-0.0+0.0+0.1
Bordeaux-Bègles vs Bayonne-0.7+1.3+1.6
-0.7+1.3+1.6
-0.0+0.0+0.1
Clermont vs Toulon+0.1+0.1-0.2
+0.1+0.1-0.2
-0.1+0.1+0.2
Grenoble vs Toulouse+0.1-0.1-0.1

What If

Chances based on how well the Racing Métro 92 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
643-0-0InYes305021No6,640,736
622-1-0InYes4334816No1,794,564
602-0-1InYes1115237No15,692,351
1-2-0InYes074053No152,408
581-1-1InYes1156916No2,441,215
0-3-0InYes1166915No4,159
561-0-290.9%90.9%15436810No8,533,980
0-2-191.091.05536810No93,015
540-1-261.561.58543270No625,341
520-0-36.56.5062743222No1,297,619
Total:94.0%94.0%6152933103210No37,275,388
Games Above .500
Chance Will Make Playoffs