how to count percentage in laravel.

I'm currently working on feedback system where the user can give feedback, In my case, I have to count percentage for each option like the question has many options I should show the percentage for each option, For example, how many people selected option a,b,c,d so on.

My Answers table

     user_id         question_id      option(selected by user)
     1                       1                             2
     2                       1                             1
     3                       1                             4
     4                       1                             3

Now what I want to achieve is now

  question1
     option1(25% people selected option1)
     option2(25% people selected option2)
     option3(25% people selected option3)
     option4(25% people selected option4) 

What should be the query for above output,Can any one help on that please.

via Chebli Mohamed