I had a similar background runaway process with Internet Explorer a little while back, the bad part being you can't control system apps running in background.
A soft reset should do the trick
Battery saver app shows the usage of the apps depends on the others.
The other apps used a small quantity of battery when compared to the phone calls.
You will notice changes in the next coming weeks
Sorry for poor English
I had a similar background runaway process with Internet Explorer a little while back, the bad part being you can't control system apps running in background.
A soft reset should do the trick
This is Battery Sense finally being honest when the OS battery drain bug occurs. This started being visible after the initial update to Battery Sense around a month ago.