How much food? Help needed.

Hi, by recomendation i bought my puppy some lillys kitchen puppy recipe (wet food). On their website calculator it says my puppy should eat 800+grams daily however he only eats about 500g (4 meals per day and always leaves a little bit in the bowl) I am worried he isnt getting enough calories. any reccomendations would be welcome.
P.S. my puppy is

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Hello and welcome.
I think we lost the end of your message where you perhaps stated age and weight of your puppy ?
Website calculators should be used as an indication. If your puppy is growing correctly and is a correct weight, probably they have enough with what they’re eating. A bit more information and eventually a photo would help greatly

Oops my bad. He is 10 weeks and 6kg. He is a big healthy looking boy. Here are some photos

Hi from me & Katy What a handsome pup He looks in great shape & a good weight I think. If he's leaving food then he's full & not a greedy guts

What a handsome boy !
Agree with Jen, if he’s leaving then he’s full. Don’t forget that a puppy shouldn’t have too much excess weight on growing joints so looks like you’re doing really well
Do please do tell us a little more about your puppy and your adventures together

Thanks!