At Settings > Comments, the number comments displayed per page below the post is set. Up to 100 comments can be displayed per page. By default, the links to navigate to the next or previous page of comments is arrows and text links. When using an Advanced Template Set, numbered page links can also be included to navigate to individual pages of comments quickly.
Advanced Template Sets are available with the Unlimited and higher plans. You can upgrade if needed to take advantage of this tip.
Adding the MTCommentPaginationLinks template tag
At Design > Templates, click to open the Individual Archives Template and look for the <MTCommentIfPages> tag. The content between the <MTCommentIfPages> and </MTCommentIfPages> tags will need to be replaced with the below:
Finally, click Save Changes to update your blog.