Burn
Burning tokens will remove them both from the circulating supply and your selected Investors' Balance/Wallets.
First navigate to "Actions" and "Burn", you can then remove tokens directly from a particular investor
Like all actions you can view the status of this in the Servicing Activity section.
Once the transaction is confirmed on-chain you will see the Circulating Supply update on the dashboard. You can view the status of that particular transaction on the Dashboard under Servicing Activity.