It looks like your nodes are young enough to still be in the 75%-holdback period. And under normal circumstances (before the recent test data) it often took a year or longer to even fill 8TB.
What you can do… is just wait. You’ll download more, and the holdback will reduce, and your payouts will improve. Nodes take nine months before they’re even giving 100%.
Does numbers on the piechart are match with the usage reported by the OS?
If so, then the node likely has an uncollected garbage, see
The earning estimation on the dashboard for the current period would change, when all satellites would report about the usage. Please note the payout estimation is calculated locally from the databases.