Suggesting 17% hit even tho i put in Imp FF as debuff?

Snapshot ID:
8ae31f9526594e07ba3b25e3981399b6

Why are the “Best in slot” suggesting 17% hit even tho I put in Imp FF debuff(3% hit). Should it not suggest 14%?

We show you the final amount of hit you have, including buffs. The 3% from FF is rolled up into the stat display.