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
Treviso vs Edinburgh-2.9-1.8+5.8
-5.9-3.3+11.5
-0.2-0.1+0.4
Scarlets vs Blues-0.4+1.1+1.3
-0.0+0.7-0.1
Ulster vs Leinster-0.2+1.4+0.1
-0.1+0.6+0.1
Ospreys vs Dragons+0.4+0.4-0.5
+0.6+1.2-0.9
+0.1+0.1-0.1
Glasgow vs Kings-0.0+0.1+0.0
+0.0+0.0-0.1
Zebre vs Cheetahs-0.3+1.8+0.2
Connacht vs Munster-0.0+0.5-0.0

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsERCC1234567Count
6815-0-0InYes1000172,209
6614-1-0InYes973926
6414-0-1InYes973012,337*
6213-1-1InYes8911021,275*
6013-0-2100.0%Yes851510154,291*
5812-1-299.9Yes643240230,208*
5612-0-399.7Yes58366001,131,990*
5411-1-397.9100.0%3148192001,474,531*
5211-0-497.6100.0284821204,550,143*
10-2-388.599.91039401100944,757*
5010-1-485.099.88354214106,320,980*
4810-0-583.499.973344161015,282,785
9-2-457.997.21144337503,606,303*
469-1-553.896.5112414160017,881,286
8-3-425.078.202235519101,245,105*
449-0-648.895.211039447037,791,277
8-2-521.173.002195522209,598,516*
428-1-618.269.2011754252039,113,802
7-3-54.629.300441441002,894,972*
408-0-715.364.2011453283070,016,089
7-2-63.624.7003384712018,382,437*
387-1-72.821.3003354814063,327,953
6-3-60.32.90016513214,756,992*
367-0-82.117.8002325016097,988,491
6-2-70.22.200145035124,783,211
5-4-60.00.10436573789,248*
346-1-80.21.700124839176,180,045
5-3-70.00.003336045,580,497*
326-0-90.11.2001046421103,465,933
5-2-80.00.0033162525,120,994
4-4-70.00.000147214759,374*
305-1-90.00.0022864667,689,311
4-3-80.00.0001271164,616,583*
285-0-100.00.0022566781,613,866
4-2-90.00.00010701918,748,900*
264-1-100.00.0009702143,668,618
3-3-9OutNo0259392,628,849*
244-0-11Out0.008682447,164,048
3-2-10OutNo0255439,447,293*
223-1-11OutNo02524719,782,137
2-3-10OutNo03466976,818*
203-0-12OutNo01485119,282,158
2-2-11OutNo0030703,129,880*
182-1-12OutNo0026746,145,793*
162-0-13OutNo0022785,244,601
1-2-12OutNo01090607,243*
141-1-13OutNo08921,071,822*
121-0-14OutNo0694897,125*
100-1-14OutNo19982,278
80-0-15OutNo0100232,440
Total:8.5%21.4%1261929358966,608,720

* 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
Treviso vs Edinburgh+0.4+0.2-0.9
Zebre vs Cheetahs+0.0-0.1-0.0
Scarlets vs Blues-0.0-0.1+0.1
Ospreys vs Dragons-0.0-0.1+0.0
Connacht vs Munster+0.1-0.1-0.0
Glasgow vs Kings-0.0-0.0+0.1

What If

100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L1234567891011121314
6815-0-01000
6614-1-0946
6414-0-19090
6213-1-1712620
6013-0-26232500
5812-1-2314520400
5612-0-32243267100
5411-1-352438257100
5211-0-432138289100
10-2-3052136289100
5010-1-403163431132000
4810-0-50214333415300
9-2-4002123235163000
469-1-500110293719300
8-3-40019293918300
449-0-600182638235000
8-2-500172640225000
428-1-600052340255000
7-3-500052440246100
408-0-700042040287100
7-2-6000421392881000
387-1-70031839309100
6-3-600318383010100
367-0-8000216373311100
6-2-7000216373311100
5-4-6021536341220
346-1-800213343514200
5-3-70021234361520
326-0-900111323616300
5-2-80011032371730
4-4-7001103339162
305-1-9001929382040
4-3-800183040192
285-0-10001726392250
4-2-900172740223
264-1-1000052541244
3-3-9007304518
244-0-1100042241285
3-2-10005274621
223-1-110004244724
2-3-100084151
203-0-12003214728
2-2-110063856
182-1-120053461
162-0-130043165
1-2-12001485
141-1-13001188
121-0-1400991
100-1-140199
80-0-1500100
Total:00123610141615141073