See TOC Tips and Tricks.
You need to change the right indent leaving the tab setting for the page number where it is.

It would help if you display the Ruler.
If you put another screenshot up, please resize it to a smaller size. When the image exceeds the width of my screen, the text in your post scrolls off the page horizontally making it hard to read.

If you want step-by-step, post the page with the table of contents as a document.