Base on the documentation, the Baseline Variance should be Baseline Usage minus Total Usage, but when placed on the TSV on various portlets (including Team Detail, Weekly Detail and Resource Workloads) the Baseline Variance shows as Baseline Usage plus Total Usage.
Steps to Reproduce:
Applies to all supported releases of PPM
Caused by CLRT-75716
After review, it has been determined this issue will not be fixed at this time.
Reference the Customer Reported Defect Resolution Policy for CA PPM