The tiny battery gauge is just showing what % the charge is, either in % or in % * epa range. There is no lie, just showing you the state of your battery pack currently. If you want to see what charge you will have in the future taking into account your driving then you navigate to your destination and the car makes a very detailed estimate of state of charge in % at your destination.
I leave my car showing battery as % all the time, because the % * epa range number is meaningless