Some students at Sauder School of Business at UBC created a pretty cool simulator that allows you put in the predicted transposition of votes in this election and it then spits out a seat projection. I plugged in Forum's predictions in this and this is what I got:
NDP - 204
CPC - 82
LIB - 52
BQ - 0
GRN - 0
OTH - 0
Not very accurate, but I think part of that i because Forum didn't release any numbers for the likely preferences of people who didn't vote last time. Anyways, here's the link if you want to play around with it
https://predictionmarkets.ca/forecast.php?db=CA15