How to make a tame chance system?

local Chance= 80

local Tamed = 0
local Nope = 0

while true do
    local Percent= math.floor( (math.random()*100)+0.5) -- Custom Round since Lua don't have a math.round function!
    if(Percent <= Chance) then
        Tamed  = Tamed + 1
    else
        Nope = Nope + 1
    end
    print("Tame Success =", Tamed," : Nope = ", Nope)
    wait()
end

The above script will print out how many times it succeeds and how many times it fails. The only bit you need is

local Chance= 80
local Percent= math.floor( (math.random()*100)+0.5) -- Custom Round since Lua don't have a math.round function!
if(Percent<= Chance) then
-- Do stuff on Tamed!
end

I just made the script loop through possible rolls as if you're trying with an unlimited amount of tries.

Hope this helps! :)

Here this should help. I'm not that advanced so Im not sure how to shorten the 'or' statement lol sorry. Also instead of the prints put the script that makes it tamed or not.

local randomnumber = math.random(1,100)
print(randomnumber)
if randomnumber == 1 or randomnumber == 2 or randomnumber == 3 or randomnumber == 4 or randomnumber == 5 or randomnumber == 6 or randomnumber == 7 or randomnumber == 8 or randomnumber == 9 or randomnumber == 10 or randomnumber == 11 or randomnumber == 12 or randomnumber == 13 or randomnumber == 14 or randomnumber == 15 or randomnumber == 16 or randomnumber == 17 or randomnumber == 18 or randomnumber == 19 or randomnumber == 20 then
    print("Failed")
else
    print("Tamed")
end