How are these numbers calculated?

Big Games

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

Friday100.0*Average seed
Red Deer 3 Lethbridge 4 +0.3
If winner is:HomeHome OTHome SOAway SOAway OTAway
Saturday100.0*Average seed
Edmonton vs Calgary-0.4-0.4-0.4-0.2-0.2+0.6
Medicine Hat vs Lethbridge-0.5-0.3-0.3+0.5+0.5+0.5

What If

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

100100100100100100100100100100100100
If finish:Chance inScotty MunroChance will finish regular season at seed
TPWL-OTplayoffsMemorial Trophy123456789101112Count
9010-0InNo640364,824,143,482
8900-1InNo24761,016,811,756
8801-0InNo160843,807,434,362
Total:InNo410599,648,389,600
Points
Chance Will Make Playoffs