13 is 3.25% of 400
Calculation steps:
( 13 ÷ 400 ) x 100 = 3.25%
Formula
(13 ÷ 400) x 100 = 3.25%
13 ÷ 400 = 0.0325
Decimal to percent
0.0325 x 100 = 3.25%
Example