Regarding whaleshares, you can currently power down 6.5% due to the early stages and the inflation rate that is constantly increasing and percentage allowing you to power down. You can see in the chart the milstones dates that it will hit that will allow you to power down the percentage.

And it does take 13 weeks. FYI, unless something has changed recently.

https://whaleshares.io/whaleshares/@whaleshares/announcement-power-down-has-been-activated