Why is Ebay charging more than 10% final value fee

According to Ebay sellers hub, 10% is charged on final amount when item sells but I'm being charged closer to 12.5% . Can anyone clarify please ?

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you are on ebays managed payments so you pay 10% final value fee and 2.8% plus 30p as a processing fee,

 

this is less than you used to pay paypal as they charged 2.9% plus 30p