4. Open the Settings application .
5. Navigate to System UI Tuner.
6. On the System UI Tuner menu, find and click Status bar .
Activate the display of the remaining battery percentage on Google Pixel Picture 2
7. Scroll to the bottom of the page to find the Battery option.
8. Select Always show percentage .
9. Now on Google Pixel screen you will see the icon showing the battery percentage.
Activate the display of the remaining battery percentage on Google Pixel Picture 3
Good luck!