Summary
If you make E£ 665,273,232 a year living in Egypt, you will be taxed E£ 166,304,739. That means that your net pay will be E£ 498,968,493 per year, or E£ 41,580,708 per month. Your average tax rate is 25.0% and your marginal tax rate is 25.0%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of E£ 100 in your salary will be taxed E£ 25, hence, your net pay will only increase by E£ 75.
Bonus Example
A E£ 1,000 bonus will generate an extra E£ 750 of net incomes. A E£ 5,000 bonus will generate an extra E£ 3,750 of net incomes.