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
Toulouse 67 Brive 19 -0.1
-0.1
-0.2
Toulon 37 Castres 21 -0.1
Bordeaux-Bègles 26 Oyonnax 23 +0.1
If winner is:HomeDrawAway
Grenoble vs Clermont-1.3InIn
-1.3YesYes
-0.7-0.3+0.7
Racing Métro 92 vs Paris-0.2-0.8+0.2
-0.2-0.8+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*Average seed
Clermont vs ToulonInIn-1.3
YesYes-1.3
+0.8-0.4-0.8
Paris vs Montpellier+0.8+0.8-0.9
+0.8+0.8-0.9
-0.1-0.0+0.1
Oyonnax vs Lyon-0.7-0.6+0.8
-0.7-0.6+0.8
Bordeaux-Bègles vs Bayonne-0.7+0.7+0.7
-0.7+0.7+0.7
La Rochelle vs Racing Métro 92+0.5-0.4-0.5
+0.5-0.4-0.5
+0.1-0.0-0.1
Grenoble vs Toulouse+0.2-0.1-0.2

What If

Chances based on how well the Clermont 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
663-0-0InYes955No1,319,194
642-1-0InYes2455202No398,061
622-0-1InYes1854253No3,951,487
1-2-0InYes959293No40,044
601-1-1InYes1247392No794,970
0-3-0InYes1246392No1,374
581-0-2InYes842463No3,947,128
0-2-1InYes842463No39,921
560-1-2InYes346428No398,986
540-0-389.1%89.1%154232101No1,319,567
Total:98.8%98.8%172426227410No12,210,732
Games Above .500
Chance Will Make Playoffs