how to add two values in a field and percentage of them with total

[dtccsundar]

Hi,

I have to get % of 2 and 3 values in a same field .

Status count 

True       200

False       50

Error      10

exc          5

temp      6

Total   271

I need to get true% by  true+error /Total * 100 and False% by False+exc+temp/Total*100.

Please help me with the solution .

[dtccsundar]

Helo  ,can someone provide me the solution for this .