tds reverse calculation

Is TDS applicable to a credit note?

I have received a commision amount of rs 22000 after deducting TDS can you please tell me what was my actual commision with out deducting TDS and what was the formula toh calculate this 

Hi!

I have TDS rate with me i.e. 1% and amount received is Rs.2,47,500/- now how can I arrive at the amount before deduction of TDS?

Example

You have received 2,47,500  after deducting TDS & You want to know on what about they deducted TDS 

Answer :- The basic value is = 2,50,000/-

Formula is :- actual received amount/99*100

90 if TDS rate is 10%

80 if TDS rate is 20%

70 if TDS rate is 30% & continue