Can't find the battery percentage after upgrade

SusanInThePines wrote:

Well, that is annoying.

Tap the flat oval side button (see picture)

Use Control Center on Apple Watch - Apple Support

You can also tell Apple why you are annoyed via

https://www.apple.com/feedback/watch

If enough users send feedback, then it is more likely that feedback will reach a decision maker.

click the side pill button

You Can have it as a complication too

Well, that is annoying.