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
Quebec 3 Calgary 19 -19.9
-0.8
Yukon 4 Montreal 1 -2.1
-0.0
London 1 Regina 10 +1.8
+0.1
Edmonton 6 St. John's 2 +1.3
Nova Scotia 5 Vancouver 3 +1.1
+0.0
Toronto 2 Winnipeg 1 -0.5
If winner is:HomeAway
Thunder Bay vs Ottawa+8.0-2.9
+0.4-0.1
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Quebec vs Montreal+22.1-61.2
+0.8-2.1
Vancouver vs Edmonton-10.3+10.8
-0.2+0.2
Yukon vs Calgary-7.7+10.2
+0.1-0.1
Ottawa vs London-2.2+2.0
-0.1+0.1
Nova Scotia vs St. John's+0.2-0.6
+0.0-0.1
Winnipeg vs Saskatoon+0.4-0.2
Regina vs Thunder Bay-0.1+0.2
-0.0+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
91-085.4%5630159,431,663
80-12.1233231991043,402,145
Total:63.3%4122206523112,833,808
Games Above .500
Chance Will Make Playoffs