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In three school classes, boys and girls are divided as follows:

males females total A 14 11 25 B 15 8 23 C 10 10 20

In which class are there more males relative to the total?

In this case we could easily answer with a graph:

With the script I have:

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The population (number of inhabitants) of a town passes from one year to the next from 3268 to 3321.
How much has it increased?
What was the percentage change?

The population increased by 53 inhabitants. The percentage change was 1.6% (I rounded 1.62178…).