A number is decreased by 5% and then increased by 10%. Thus, by what percentage does the number obtained increase or decrease from the original number?

Explanation

Let the original number is 100. 'Subtracting 5%, the number becomes $= 100 \times \frac{95}{100} \Rightarrow 95$ 'Now, increasing by 10%, the number becomes $= 95 \times \frac{110}{100} \Rightarrow 104.5$