Go to Configuration > Commission > Commission Pct. Setup from the left hand menu or click on the same under Configuration on the home page.
This is where you can control some simple variables of your commission plan. INS would set the parameters and populate this table for you. You can setup payout percentages for the Binary, Unilevel, Matrix, QEB, Matching bonus, etc. by updating the percentage or the amount of a commission type.
You can update the Percentage or the Amount of a commission type of a certain rank holder, by simply editing the current value in the text-box and then by clicking on the Update button to apply the changes. Both of these fields will accept a decimal value. The currency symbol denotes the currency type.
Below the Commission Percentage Table, you will notice another table which holds the data regarding the max percentage allowed for the commission types. You can edit the Description and the Max Percentage in their text-boxes and then by clicking on the corresponding Update button to save.