What are you talking about ? You could read the whole phone numbers. And if you take the picture and invert it BW you'll be able to read every single word.
That is definitely not normal. I can get my MI 11 to eat 0.2 to 0.4 % per hour without even power saving features turned on. Something at you draining power, you need to find out what it is.
Check Autostart of installed apps and system apps, .EU and .EU based ROMs enables all of them by...