Sort:  

If you go to https://steemd.com/@alejandr0 you can see your current voting power.
The more often you vote the less your upvote will be worth unless you wait as it regenerates over time.
When you are under 500 steem power, each of your upvotes will bet at 100% which means your voting power decreases with 2% each time. Above 500 steem power you get to choose which makes it possible to vote more without having to drain your voting power.

I gave you a 56% upvote at 80.70% voting power which is worth 0.04 cent. My voting power decreased to 79.80% after the upvote.

thanks I understand it a little bit more now