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
Sale Sharks 23 Gloucester 6 -0.3
-5.2
-0.5
Saracens 42 Harlequins 14 -0.1
+0.2
+0.1
Northampton 52 Wasps 30 +0.1
+1.3
Leicester 25 Exeter 18 -0.1
London Welsh 14 Bath 29 -0.2
London Irish 22 Newcastle 21 -0.0

What If

Chances based on how well the Gloucester 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
464-0-0Out9.7%104347No32,394,629
443-1-0Out1.6227666No7,434,580
423-0-1Out0.20873190No129,118,138
2-2-0Out0.2076726No642,992
402-1-1OutNo143542No22,304,883
1-3-0OutNo147484No24,880
382-0-2OutNo256213No193,695,026
1-2-1OutNo176716No1,282,995
0-4-0OutNo137610No374
361-1-2OutNo46234No22,308,912
0-3-1OutNo45144No24,699
341-0-3OutNo136595No129,135,384
0-2-2OutNo29674No641,935
320-1-3OutNo147511No7,434,392
300-0-4OutNo35246No32,405,989
Total:Out0.6%153038234No578,849,808
Games Above .500
Chance Will Make Playoffs