Fresh issue of shares ( equity dilution )

suppose promoter is having 100% at 1 crore capital, what will the be his percentage after company raise additional capital by 50 lakhs… to accommodate new investors.

in tv show (shark tank india) ,
promoters having 100% holding and they are offering 10 percent to shark tank investors,
here promoter is diluting the shares or giving from his percentage…

issue of fresh shares means , issuance of addition authorized capital or issued capital