YouTube Data Incorrect

Why don't the subscriber counts match up for YouTube?

It's definitely linked to the correct source and they're both set to 28 days. I tried creating a new report and got the same result. Happens on all browsers, devices and networks.

 

Screenshot 2024-04-18 at 20.31.56.jpg

Screenshot 2024-04-18 at 20.32.19.jpg

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