What impact does ABC Classification has on performing the ABC using Value & Item percentage?

Summary:

Want to understand the impact or the affect of ABC classification while performing the ABC Assignment Group?

Content (required):

We've the ABC criteria set as "Current Item cost" & while performing the ABC Assignment Group, we populated the % in the Value percentage column. How is it different from the Item Percentage column? How will it classify the items based on the current set criteria that we have?

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

23C

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