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
Edmonton 6 St. John's 2 -5.7
-1.6
Quebec 3 Calgary 19 +2.6
-0.2
London 1 Regina 10 +2.5
+0.1
Toronto 2 Winnipeg 1 +0.8
+0.1
Yukon 4 Montreal 1 -0.3
-0.2
Hamilton 1 Saskatoon 2 -0.1
+0.2
Nova Scotia 5 Vancouver 3 -0.0
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Nova Scotia vs St. John's-0.7+2.5
Hamilton vs Toronto-0.6+0.2
Regina vs Thunder Bay-0.2+0.4
Winnipeg vs Saskatoon-0.3+0.2
Ottawa vs London+0.2-0.2
Yukon vs Calgary-0.1+0.1
Quebec vs Montreal-0.0+0.1

What If

Chances based on how well the St. John's finish out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
81-0Out11237311272,695,607
70-1Out521551910,138,201
Total:Out0287718431512,833,808
Games Above .500
Chance Will Make Playoffs