Answer:
28%
Explanation:
To find percentages, we need to know the number of games lost out of 25, then multiply it by 4 to get our percentage. We know that she won 18 of 25. 25 - 18 =7, so she lost 7 games. This gives us the fraction:

Then, we will multiply this fraction by 4 to get it out of 100:

This gives us 28/100, to find the percentage out of a fraction with a denominator of 100, we multiply by 100 and add a % symbol. This gives us:

Then, we add our percent symbol, meaning Mia's soccer team lost 28% of their games.
Hope this helped!