What is a 1:80 chance show as a percentage out of 100?

Question

...as the title says!...What is a 1:80 chance show as a percentage out of 100?

if someone could work this out for me i would much appreciate. thanks

Answer 1

1:80

= 1/80

= 1/80 x 100%

= 100/80 %

= 5/4 %

= 1 1/4 % (1.25%)

Answer 2

1 / 80 = 1.25%