There are few features that available after you switch to Instagram Business:

1. Insight

Instagram Insights provide information on who your followers are, when they're online and more. You can also view insights for specific posts you've created to see how each performed and how people are engaging with them.

Like the example i mentioned above i will show how many followers have seen your post.

2. Contact

When click "Contact", your followers can reach you directly from phone call, email or direction if you have offline shop. It is very useful to who are doing online business, your customer can call or email to you via instagram.

3. Edit Profile

• Business contact information - You can edit your contact here like phone number, email and your office/shop address too, so your customer easy find you.