QB Issue Resolution:

Click on Modify Report. On the display tab you have several options for percentages.

Resolution for Issue 'Different percentages on the profit and loss statement' available: Yes (Solved).
Source: Intuit Community forum.

Different percentages on the profit and loss statement: 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 Profit and Loss
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Error Recovery for Profit and Loss [Canada]
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