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 percentage increase by using ((New − Old) ÷ Old) × 100
Find percentage decrease by using ((Old − New) ÷ Old) × 100