On that screen my Google Play Services currently tops the table at 16.7% with WhatsApp a close 2nd on 15% and chrome 3rd on 8.3%.What's the actual percentage used by it during the day though? If it's something like 2% then it's not draining, it's just the way the service works, battery isn't actually being drained above expected values.
This is what mine shows for apps using around 1% or above battery throughout the course of a day: