Class 7- MATHEMATICS
About Lesson

Percentage

  • Percent means per hundred, The symbol for percent is %

  • A fraction that has 100 as denominator is called a percentage.

  • Percentage change = (Amount of increase or decrease ÷ Original amount) x 100

  • Profit = Selling Price-Cost Price (S.P.-C.P.)

  • Loss = C.P-S.P

  • S.P = C.P+Profit

  • S.P= C.P – Loss

  • Profit percent =(Total profit÷Cost price)x100

  • Loss percent = (Total loss÷ Cost price)x100