Increased Armor and Energy Shield not working

I applied this mod in my Armourer's Bench but it doesn't take any effect. I have 299ES and 921 Armor either equipped with those gloves or not, it doesn't change.

So what does this mod increase?

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Does armor affect Energy Shield?

Armour is applied to physical damage before it reaches your Life or Energy Shield.

How do I increase my Energy Shield?

The second type of defensive stat in PoE item is Armour. Whereas Energy Shield provides general protection against all types of damage, besides chaos, Armour specifically guards against physical damage from incoming hits.

Is Energy Shield better than armor?

6930 life vs 6048 (6829) They are very similar. Life being 13% better and 1.5% better. Now lets bump it to 300% and an extra 300 stats and increase both base hp by about 30%. (10301.

Energy Shield - how does it work and how do you get gear for it?

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