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 -23.7
-0.9
Edmonton 6 St. John's 2 +3.8
+0.1
Yukon 4 Montreal 1 -2.7
-0.1
London 1 Regina 10 +2.6
+0.1
Nova Scotia 5 Vancouver 3 +1.6
+0.1
Toronto 2 Winnipeg 1 -1.0
Hamilton 1 Saskatoon 2 -0.4
-0.1
If winner is:HomeAway
Thunder Bay vs Ottawa+4.1-4.0
+0.2-0.2
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Quebec vs Montreal+43.5-43.5
+1.5-1.5
Vancouver vs Edmonton-5.7+5.7
-0.1+0.1
Yukon vs Calgary-3.8+3.8
+0.4-0.4
Nova Scotia vs St. John's+1.4-1.4
+0.2-0.2
Ottawa vs London+1.0-1.0
+0.1-0.1
Winnipeg vs Saskatoon+0.3-0.3
+0.1-0.1
Regina vs Thunder Bay-0.2+0.2
-0.2+0.2

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
91-089.8%6624102,085,935
80-12.7330202114842,084,801
Total:46.3%33132010117424,170,736
Games Above .500
Chance Will Make Playoffs