This is from an analysis of their failed 2 point attempt against the Steelers, but it seems to me that the same analysis would apply to today's game. From this article: [www.nfl.com]

When accounting for the strength of both teams in 2-point conversion tries and similar situations, the Ravens had a 48 percent chance of converting if they went for 2, while Justin Tucker had a 95 percent chance of making an extra point in Heinz Field conditions. (Note: the NGS field-goal probability model does not take into account kicker strength, so the true extra-point estimate would presumably have been even higher than 95 percent for the immortal Tucker.) If the game had gone into overtime, the Ravens would have had a 55 percent chance to win, according to the NGS win-probability model.

As per the article, the Ravens had 7.6% less of a chance to win the game by trying for the 2-point conversion as opposed to kicking the extra point and playing overtime.

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