How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 1/16100.0*Chance in playoffs100.0*Average seed
London 1 Regina 10 -20.9
-1.8
Toronto 2 Winnipeg 1 -4.4
-0.4
Quebec 3 Calgary 19 +3.6
Nova Scotia 5 Vancouver 3 +2.4
+0.1
Edmonton 6 St. John's 2 +2.1
Yukon 4 Montreal 1 -1.6
-0.1
Hamilton 1 Saskatoon 2 -1.3
If winner is:HomeAway
Thunder Bay vs Ottawa+0.1-0.1
+0.1-0.1
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Ottawa vs London-41.6+41.6
-2.4+2.4
Yukon vs Calgary-8.4+8.4
-0.1+0.1
Quebec vs Montreal-8.4+8.4
-0.1+0.1
Vancouver vs Edmonton+4.1-4.1
Nova Scotia vs St. John's+0.3-0.3
Regina vs Thunder Bay-0.3+0.3
Winnipeg vs Saskatoon-0.3+0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
91-083.2%3548172,087,263
80-10.00251122332152,083,473
Total:41.7%182492611171134,170,736
Games Above .500
Chance Will Make Playoffs