QB Issue Resolution:

go to list (top toolbar)>payroll item list>find the one for unemployment and click to edit it.  change the rate.  Choose to change it as of 1/1/17.

Resolution for Issue 'How do I change Unemployment tax rate?' available: Yes (Solved).
Source: Intuit Community forum.

How do I change Unemployment tax rate?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Payroll Item List
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