How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 3/27100.0*Chance in playoffs100.0*Qualify for EPCR Champions Cup100.0*Average seed
London Welsh 14 Bath 29 +16.3
+4.7
+0.6
Northampton 52 Wasps 30 +3.9
+0.8
+0.1
Saracens 42 Harlequins 14 -2.7
+1.0
-0.1
Leicester 25 Exeter 18 -1.5
-0.3
Sale Sharks 23 Gloucester 6 -0.6
-0.7

What If

Chances based on how well the Bath finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedRelegated to
TPW-D-LplayoffsQualify for EPCR Champions Cup123456789101112RFU ChampionshipCount
644-0-0InYes27703No32,399,261
623-1-0InYes581150No7,437,590
603-0-1InYes261351No129,116,470
2-2-0InYes261362No641,514
582-1-199.2%Yes3052161No22,311,386
1-3-099.0Yes2853181No24,580
562-0-295.9Yes1153324No193,690,644
1-2-194.6Yes9493750No1,284,583
0-4-095.0Yes6553450No338
541-1-270.4100.0%119502820No22,313,808
0-3-166.8100.0116503120No24,601
521-0-350.9100.008424540No129,126,512
0-2-237.999.6043351110No642,452
500-1-39.094.60952345No7,432,695
480-0-43.691.80448418No32,403,374
Total:79.8%99.5%22431241641No578,849,808
Games Above .500
Chance Will Make Playoffs