What-If Analysis

What-If Analysis is the process of changing the values in cells to see how those changes will affect the outcome of formulas on the worksheet. Four kinds of What-If Analysis tools come with Excel: Scenarios, Goal Seek, Solver, and Data Tables. Scenarios and Data Tables take sets of input values and determine possible results.

(https://support.office.com/en-us/article/introduction-to-what-if-analysis-22bffa5f-e891-4acc-bf7a-e4645c446fb4)