return what was not found in array in MongoDB

say my database collection has

* user collection*
[
{id:'1'}
{id:'2'}
]

I have an array of object

[
{id:'1'}
{id:'2'}
{id:'3'}
]

I want the object that was not found in the collection.

I want

[

{id:'3'}
]

I’m currently have this

 const records = await dbo
        .collection('some_collection')
        .find({
          'id': { $in: newArr },
        })
        .toArray();

I’m a bit stumped on what to do! … hope someone can help Thanks!