Vue (Element UI) build select with loop percentage

Hi all developers, I'm build current project with Vue - Element UI buy need your some help by create "Select" with loop percentage from 0 > max value number from JSON data *** PLEASE READ HERE FIRST *** I NEED SOME DEVELOPER READY TO WORK AND UNDERSTAND THIS My target to build 2 select connect between for like Select 1: Our Percentage Select 2: Give Percentage This is example data {"platforms":[{"id":1,"product":"Shirt","value":90},{"id":2,"product":"Mask","value":90}]} 1) for "Select1" and "Select2" should be loop from 0 > 90 2) Our percentage will be always default value = 0 3) Give percentage will be always default value = 90 Result: When click select option for "Select1" for 2% "Select2" will be automatic change to 88% P.S.1) Please see example in Upload files P.S.2) This is my current code [login to view URL] Just see area in prop "your_pt" and "give_pt" this is i code 2 both select area