30 - (30 / 100 * 5) =
30 - 1.5 = 28.50
Question: What is 5% off 30?
Step 1: Get the result of Number (30) / 100 * Percent (5).
30 / 100 * 5 = 1.5
Step 2: Subtract step one's result (1.5) from the number (30).
30 - 1.5 = 28.50
Result: 5% off 30 = 28.50.