When a workflow rule is enabled, the evaluation criteria for that rule is queried each time the corresponding entity is updated or created. It’s important to ensure the evaluation criteria are set up ...When a workflow rule is enabled, the evaluation criteria for that rule is queried each time the corresponding entity is updated or created. It’s important to ensure the evaluation criteria are set up based on the following rules and order to ensure optimal performance. Formula fields will only be calculated when an object is changed, and only when the fields in the formula depend on change. The Formula and Rollup criteria need to be as simple as possible based on the evaluation criteria rules