How are these numbers calculated?

Big Games

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

Week of 2/18100.0*Chance in playoffs100.0*Average seed
BrewWhale 2 LastResort 4 -1.5
PuckBuddies 5 Stackers 8 -1.3
-0.2
CherryPickers 6 PurpleCobras 2 -0.1
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Chowderheads 5 PuckBuddies 2 -1.2
-0.1
Chapter11Hockey 4 CherryPickers 6 -0.1
If winner is:HomeTieAway
CitizensBankAvalanche vs LastResort+1.7-0.3-5.5
+0.0-0.0-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChowderChance will finish regular season at seed
TPWL-OTTplayoffsCup12345678910Count
2250-00InNo177664,946
2140-01InNo66825108,795
2041-00InNo0414810154,108
30-02InNo036521116,160
1931-01InNo114635874,820
20-03InNo8453882,036
1832-00InNo3274723228,473
21-02InNo225492537,405
10-04InNo1225324313
1722-01InNo053363223,665
11-03InNo328697,971
00-05InNo158520
1623-0099.9%No118810443,864
12-0299.8No11683070,987
01-04InNo11486590
1513-0199.0No1981276,262
02-0399.0No9917,291
1414-0095.4No955398,490
03-0295.2No95541,936
1304-0189.9No9010119,231
1205-0076.0No7624133,125
Total:96.8%No027157232,140,488
Points
Chance Will Make Playoffs