21 is 3.07% of 685
Calculation steps:
( 21 ÷ 685 ) x 100 = 3.07%
Formula
(21 ÷ 685) x 100 = 3.07%
21 ÷ 685 = 0.030656934306569343
Decimal to percent
0.030656934306569343 x 100 = 3.07%
Example