What is the point of showing % Self Driving in the Autopilot section?

I am new to owning a Tesla, have 2026 Model Y AWD I leased a week ago. I have been using FSD everywhere for the past week, I noticed the infotainment section lists the % of driving on FSD 14.2, mine is at 98% over the last 350+ miles.

Does that do anything outside of just reporting a number like an odometer does?