Method #1
So 24 out of 90 is approximately 26.67%
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Method #2
Part Percent
------- = ----------
Whole 100
24 Percent
------- = ----------
90 100
24 * 100
---------- = Percent
90
2400
---------- = Percent
90
26.67 = Percent
So 24 out of 90 is about 26.67%