odds to call here?

[pointcount]

Start of the tourney, no reads yet. Are we good to make this call?

PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (8 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG (t2455)
UTG+1 (t2275)
MP1 (t950)
MP2 (t840)
Hero (t2040)
Button (t920)
SB (t1420)
BB (t5050)

Preflop: Hero is CO with 9[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to t400</font>, <font color="#CC3333">Button raises to t920</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">BB raises to t5050</font>, Hero ???