the easy way and quick to undelegate/delagate staeem power to other account.
Just go to: https://steemworld.org/@albertvhons
- note: replace it with your steemit account
Then go to delagation menu
the next steps is easy, check your in and out going delegation,
To undelegate, just add or make "00" on amount of SP you want to Undelegate
I hope it helps you!