How do "stats changes if equipped" work in Diablo 3? [duplicate]

I am a little confused by this preview of the damage that could be done in Diablo 3

Dire Span is reporting to give me +1076 to damage.

When equipped however it in fact reduces my overall dam by nearly 1.5k.

So how is this calculated? Is it only a problem because of the % that is added on these weapons to the damage when strength is taken into account?

Whilst this question may appear similar to this: How is the weapon damage on this weapon calculated?

However this question does not give information on strength factor.

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1 Answer

When comparing the damage of 1 handed and 2 handed weapons, Diablo 3 doesn't take into account the stats of the item in your off hand. The comparison stats you're seeing are only comparing the new 2 handed weapon with the 1 handed weapon you have equipped. Since equipping the 2 handed weapon also unequips your shield, this causes your damage to decrease.

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