Kibana Sankey Diagram

[ty80517 (翊唐 黃)]

Hi Everyone, I want to show the branch's size of node's size percent. what should I do?
For example：
There are 320 data in OSX and 55 data go to IN. 55/320 = 17.18%
I want display 17% or 17.1% or 17.18% rather than 3.4%.

Thanks.