21 is 3.07% of 684
Calculation steps:
( 21 ÷ 684 ) x 100 = 3.07%
Formula
(21 ÷ 684) x 100 = 3.07%
21 ÷ 684 = 0.03070175438596491
Decimal to percent
0.03070175438596491 x 100 = 3.07%
Example