21 is 5.37% of 391
Calculation steps:
( 21 ÷ 391 ) x 100 = 5.37%
Formula
(21 ÷ 391) x 100 = 5.37%
21 ÷ 391 = 0.05370843989769821
Decimal to percent
0.05370843989769821 x 100 = 5.37%
Example