Proration/Percentage value for 50% in Cost Allocation Account HDL

Summary:

We are in process to load Costing for a person through HDL

If we enter value 1 for Proration attribute then it take 100%

What value need to be entered for Proration attribute for 50%

Tried different values but getting an error

You must enter a percentage that's between 0 and 100.

Content (required):

As described in the Summary section

Version (include the version you are using, if applicable):

22A

Code Snippet (add any code snippets that support your topic, if applicable):