I am getting 4.4% of total voltage appears across 22 Ω resistor of the voltage divider.
Basically. V is your total voltage.
V==100%
Voltage across 22 Ω resistor is (22/500)V, just like jlcstrat said. Then.
(22/500)V==x%
You know value of V, put that value in the equation and crunch the numbers.