Why Quick Sight default add table calculation (Percent difference) doesn't have any option to handle the NULL divide by zero errors?Its seriously lagging behind in terms of basic features compare to other BI tool available in market

Hello @Kousic , welcome the QuickSight community!

To my knowledge there is no way to tell QuickSight how to handle null values in table calculations. That being said, other users have found work arouns using ifelse and coalesce.

Here’s an example:

Let me know if this is what you were looking for. I will also mark this as a feature request for the QuickSight team.