Percentages Flashcards
(8 cards)
How do you convert decimal to percentage
Multiply by 100
How do you convert percentage to decimal
Divide by 100
How do you convert fraction to percentage
Multiply by 100 over 1
How much is GST
10 percent
How do you calculate profit percentage
$Profit (or loss) 100
————– X —–
$cost price. 1
How do you find the pre-GST amount?
Divide by 110 and multiply by 100
OR
divide by 11 to find the amount of GST included
How do you calculate percentage decrease and percentage profit and percentage discount?
Find the decrease/profit/discount by subtracting the new amount from the original amount.
Decrease/profit/discount
————————- X100
Original/ cost price
How do you calculate discount or an amount as a percentage of another?
Discount amount
—————— X100
Original amount
