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
Hamilton 1 Saskatoon 2 +21.1
+1.5
Toronto 2 Winnipeg 1 +3.5
+0.2
Nova Scotia 5 Vancouver 3 +0.9
+0.1
Quebec 3 Calgary 19 +0.8
-0.1
London 1 Regina 10 +0.6
Edmonton 6 St. John's 2 -0.4
Yukon 4 Montreal 1 -0.2
-0.1
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Winnipeg vs Saskatoon-0.4+0.4
Hamilton vs Toronto+0.2-0.2
Yukon vs Calgary+0.1-0.1
Vancouver vs Edmonton+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
101-0In50502,086,087
90-1In75252,084,649
Total:In2562134,170,736
Games Above .500
Chance Will Make Playoffs