For those who prefer to know precisely how long their MacBook Pro or MacBook Air’s battery life is remaining, macOS should display the % next to the battery level symbol in the menu bar. It’s explained in detail in this article.
In macOS Monterey, you’ll see a battery level symbol on the right side of the menu bar, showing how much power your Mac has remaining. This is a reasonable estimate, but if there was a percentage next to the icon, you would get a more exact depiction of how much battery life you have.
If you want to see how much battery life you have left on your Mac, you can simply do it by following the instructions below.
Through the Dock, the Applications folder, or from the Apple menu bar ( -> System Preferences…), you may access system preferences.
In the Preferences window, choose Dock & Menu Bar.
Battery is located in the “Other Modules” section on the left sidebar.
Click the Show Percentage checkbox in the Battery Settings. Please make sure that the checkbox next to Show in Menu Bar is ticked, as well.
That’s all there is to it, and now you’ll have a better notion of how much energy your Mac has left before you need to plug it back in for another charge.