80 percent of 1 can be written as 20 percent * 1 =
Use the percentage formulae (P% × Y = X) to find out 80% of 1
P is 80, Y is 1, so the equation will be 80% × 1 = X
Percentage calculation with steps:
X = ( 80 * 1 ) / 100
X = 80 / 100
X = 0.8