300/100 = 3 (1%)
21/3 = 7%
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To find 21 percent of 300, you first convert 21 percent to a decimal by dividing by 100, which gives you 0.21. Then, you multiply 0.21 by 300 to get the answer. So, 21 percent of 300 is 63.
21
21
It is: (363-300)/300 times 100 = 21% increase
42.8571