Yes, very easily! Head to the Admin section and click Dropdown list options. Here you can edit the Probabilities to suit your business practice.
A Frequently Asked Question about CMap is:
"What is a Contact?"
And the Answer is:
"A Contact can be either a Client or a Supplier (whether they are current, prospective or historic)."
This is an abridged FAQ Article. If you want to Learn More, please read our full article on Managing Dropdown List Options.