and please tell that why switching "include 25% curation" on/off change the value of vote like i posted some pictures below

if i switch off " include curation 25%"

After switching on to the " include 25% curation" button

why there is fluctuation in the "vote value" and please tell what does it mean according to me this button should act in reverse situation like

if we switch the include 25% curation" OFF it should show greater value as total vote will not include the curation reward.. please tell how this works :-/ its a request to you