Project Online: How to handle the sku changes?

In August 2016 we announced some changes to the Project Online plans – https://support.office.com/en-us/article/Important-information-for-Project-Online-customers-about-plan-changes-496aafdd-9f62-4daf-8d2e-0e700925c6b2?ui=en-US&rs=en-US&ad=US and now we are in 2017 more of you will be either starting or renewing to these plans.  This can be a challenge to swap the old sku for the new sku – particularly when these are not necessarily a one…