You can edit the amount of your recurring transaction by doing the following:
Go to you Online Activity Center.
Select the Recurring Transactions tab.
Select the transaction you’d like to edit.
Select the Ellipses (3 dots).
Select the Edit Series option.
You can edit the account it comes from, the account it goes to, the amount, the frequency, the start date, the end date, and the memo.
Scroll down once you’ve made your edits and select “Transfer Funds.”