No. Your percentage is incorrect.
Because this is a repeating decimal, the percentage has to be repeating too, so the percent should be 266.66...%
On the other hand, even this would be wrong. Because 3/8 is not 2.6, it is 0.375 (see other answer)
Fraction = 3/8
Decimal = 0.375
Percent = 37.5%
Hope it helps
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