How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 10/27100.0*Chance in playoffs100.0*ERCC100.0*Average seed
Ospreys vs Dragons+1.5-1.6-1.7
+3.1-2.8-3.6
+0.2-0.2-0.2
Zebre vs Cheetahs+0.4+1.2-0.6
-0.1+0.8+0.1
-0.0+0.1+0.0
Connacht vs Munster+0.2+0.3-0.1
-0.0+0.2-0.0
-0.1+0.1+0.1
Scarlets vs Blues+0.1+0.0-0.2
-0.0+0.3-0.0
+0.0+0.0-0.1
Glasgow vs Kings-0.0+0.1+0.1
Treviso vs Edinburgh-0.1+0.9+0.1
Ulster vs Leinster-0.0+0.2+0.0

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsERCC1234567Count
6415-0-0InYes9280171,890
6214-1-0InYes67321304
6014-0-1InYes623624,765*
5813-1-199.8%Yes37521008,435*
5613-0-299.5Yes325414165,261*
5412-1-297.4100.0%13543130103,945*
5212-0-395.8100.010503640539,509*
5011-1-386.699.933252130762,828*
4811-0-485.499.9230531402,469,242*
10-2-365.897.7013523220530,076*
4610-1-461.696.00115036303,731,828*
4410-0-559.695.80105037309,452,283
9-2-434.474.903325411002,303,823*
429-1-531.770.9023055130011,992,996
8-3-412.631.10012563020859,470*
409-0-628.565.4022756150026,673,709
8-2-510.725.800115433206,971,492*
388-1-69.321.800952363029,844,914
7-3-52.03.10233531212,268,031*
368-0-77.817.700849394056,250,036
7-2-61.62.202295415115,154,228*
347-1-71.21.601265417154,857,889
6-3-60.10.009493664,220,085*
327-0-80.91.101235520289,302,826
6-2-70.10.00084639723,088,900
5-4-60.0No02265122752,113*
306-1-80.10.00064242974,615,794
5-3-70.00.0012351255,578,647*
286-0-90.00.005394512106,535,703
5-2-80.00.00119512926,350,070
4-4-70.0No0074153812,777*
265-1-90.00.00116503474,622,163
4-3-8OutNo0538575,179,965*
245-0-100.00.00013483894,476,746
4-2-9OutNo04346221,471,259
3-4-8OutNo011881589,523*
224-1-10OutNo03316653,869,225
3-3-9OutNo0015843,292,908*
204-0-11OutNo02277161,046,797
3-2-10OutNo00138712,390,207*
183-1-11OutNo00108927,190,510
2-3-10OutNo03971,355,629*
163-0-12OutNo089227,750,259
2-2-11OutNo03974,549,826*
142-1-12OutNo02989,364,921*
122-0-13OutNo01998,367,583
1-2-12OutNo00100977,630*
101-1-13OutNo01001,806,445*
81-0-14OutNo01001,587,886*
4-6OutNo100445,369*
Total:3.5%6.8%00313262829966,608,720

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

If winner is:HomeDrawAway
Week of 10/27100.0*Lottery seed
Ospreys vs Dragons-0.5+0.4+0.6
Connacht vs Munster+0.1-0.1-0.1
Scarlets vs Blues-0.0-0.0+0.1
Glasgow vs Kings-0.0-0.0+0.1
Treviso vs Edinburgh+0.0-0.1+0.0
Zebre vs Cheetahs+0.0-0.1-0.0

What If

100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L1234567891011121314
6415-0-09190
6214-1-061345
6014-0-15340700
5813-1-123472540
5613-0-2184430810
5412-1-242339267100
5212-0-3217363012200
5011-1-303173431132000
4811-0-402123033185000
4610-1-40011029361940000
4410-0-50018273821400
9-2-400182739214000
429-1-500162540235000
8-3-40052539236100
409-0-600042139277100
8-2-500042238278100
388-1-600319382910100
7-3-500318363011100
368-0-700215363212200
7-2-600214343314200
347-1-700212323517300
6-3-60011131371730
327-0-80019293620400
6-2-7001928382040
5-4-60193140182
306-1-8001725392450
5-3-700172741213
286-0-9000521382870
5-2-800052442254
4-4-7007324615
265-1-900042042295
4-3-8005284818
245-0-1000031741336
4-2-9004255021
3-4-80094545
224-1-10003225125
3-3-90074349
204-0-11002185128
3-2-100054154
183-1-1100043957
2-3-10012178
163-0-120033661
2-2-11001981
142-1-12001684
122-0-13001486
1-2-120595
101-1-130496
81-0-140397
60-1-140100
40-0-150100
Total:00001247101316181812