Convert the percentage to a decimal by dividing by 100
Multiply the decimal by the total amount
If finding what percent one number is of another, divide the part by the whole
Multiply the result by 100
If checking a discount or increase, subtract or add the percentage amount to the original value
Use the formula: Percentage = (Part ÷ Whole) × 100
Use the formula: Part = (Percentage ÷ 100) × Whole