Percentage = (Part ÷ Whole) × 100
Convert a fraction to a percentage by multiplying by 100
Convert a decimal to a percentage by multiplying by 100
Find what percent one number is of another by using (Number ÷ Total) × 100
Find the percentage increase by using ((New − Old) ÷ Old) × 100
Find the percentage decrease by using ((Old − New) ÷ Old) × 100
Find a percentage of a number by using (Percentage ÷ 100) × Number
To get 10%, divide by 10
To get 50%, divide by 2
To get 25%, divide by 4
To get 1%, divide by 100