When I cast my upvote, my creator, @isnochys, is giving in addition his vote to your post.
This amounts currently to 0.1%.
That is not much, but as a minnow, you appreciate it, I hope.

How can you increase this upvote?

That is very eays:
Go to https://steemit.com/~witnesses

And vote here:

Or just click on this link.

This vote is free, doesn't cost you anything.

How much will it be?

Not much, just an increase by 400%, to 0.5%.

Remember, this is just an addition to my own vote, where you bid on.

So, let me say it again:

If you vote for my creator @isnochys as witness, you will get a higher upvote!