Anything that involves percentages.
In: Mathematics
Percent means *out of* or *for* one hundred. One hundred *percent* is therefore the maximum value you can have of something (one hundred *out of one hundred* is… 1).
Half of 100 is 50. So if you have a 50% discount on something that costs $20, you are taking 50% of the cost away (in this case, $10), and paying only $10 for the item.
Since 100% is the full amount of something, if you have a town of 1,500 people and there’s a 100% increase in population, then you’ve added 1,500 people to the town (for a new total population of 3,000 people). 200% = twice the full amount of something – if a town of 1,500 people grows by 200%, then 3,000 new people came to the town (double the original amount) and the new total population is 4,500 people.
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