20 percent of 821 can be written as 20 percent * 821 =
Use the percentage formulae (P% × Y = X) to find out 20% of 821
P is 20, Y is 821, so the equation will be 20% × 821 = X
Percentage calculation with steps:
X = ( 20 * 821 ) / 100
X = 16420 / 100
X = 164.2