Code to Add Percentage to a Pivot Table

Hi, wondering if someone can help me with the code needed to add a Percentage column to my Pivot table below?  Specifically would love to see a 7.3% WON % and 63.4% PROPOSED RATE and 24.4% PASSED rate.  Thanks!![](upload://uDjJ7XEujA8Xkv2c0XCPUXM0IfF.png)