30 - (30 / 100 * 65) =
30 - 19.5 = 10.50
Question: What is 65% off 30?
Step 1: Get the result of Number (30) / 100 * Percent (65).
30 / 100 * 65 = 19.5
Step 2: Subtract step one's result (19.5) from the number (30).
30 - 19.5 = 10.50
Result: 65% off 30 = 10.50.