When creating attributes type percentage, in the view it rounds them to 100% if the data entered is greater than 50% 
and when my data is less than 50% it shows them as 0% .

Locale problem.

CA PPM all Versions

Check regional configuration in PPM for APP. 
Go to The CSA > Properties > Application 
Add the following JVM parameters to the App JVM settings 
-Duser.country=US -Duser.language=en 
Restart app services 

Check regional configuration in PPM for BG. 
Go to The CSA > Properties > Background 
Add the following JVM parameters to the BG JVM settings 
-Duser.country=US -Duser.language=en 


Restart BG services