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
Saracens 42 Harlequins 14 -1.4
-8.2
-0.4
Northampton 52 Wasps 30 +0.3
+1.8
Leicester 25 Exeter 18 -0.1
-1.0
Sale Sharks 23 Gloucester 6 -1.0
London Welsh 14 Bath 29 -0.8

What If

Chances based on how well the Harlequins 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
484-0-0Out36.6%135567No32,402,517
463-1-0Out14.9155035No7,434,788
443-0-1Out2.6339571No129,134,643
2-2-0Out2.0232633No641,712
422-1-1Out0.301071180No22,312,728
1-3-0Out0.40137215No24,883
402-0-2OutNo365321No193,687,108
1-2-1OutNo157411No1,285,027
0-4-0OutNo52471No376
381-1-2OutNo256213No22,301,517
0-3-1OutNo246214No24,670
361-0-3OutNo146720No129,123,575
0-2-2OutNo76726No642,413
340-1-3OutNo137585No7,438,569
320-0-4OutNo29629No32,395,282
Total:Out2.8%0314423191No578,849,808
Games Above .500
Chance Will Make Playoffs