Concerns with 40mm wheels and 245/65r17 tires having a -7mm scrub radius

I’m pretty new to working on cars but have been modding my ’21 Outer Banks over the last few months. Been doing some research on wheels and tires, and I’m a bit confused about what impact changing the scrub radius will have. I’ve seen multiple people post about using the same wheels, Black Rhino Boxers, but when I put the specs into a calculator I’m getting a…