Simple graphic representing race percentages

Understanding Percentages the Honest John Way

Most people are told that horse racing is complicated, but it does not have to be. One thing punters often struggle with is percentages. What does it mean when odds add up to more than they should, or when the Dutching calculator shows a number you do not recognise. Here is the Honest John guide.

The Simple Idea First

If there are twelve horses in a race, and each one had exactly the same chance, you would divide one hundred percent by twelve. That gives you just over eight percent per horse. And together the field would add up to one hundred percent. That is how school maths works.

But Real Racing Does Not Work Like That

Bookmakers do not give you fair one hundred percent books. If they did, they would not stay in business. So real races often add up to one hundred and twenty percent, one hundred and forty percent or even higher in chaotic races. This extra bit is the bookmaker advantage.

Think of the race as a pie. In a fair world the pie would have one hundred slices. But the bookmaker cuts it into one hundred and twenty slices. So each slice is a bit smaller, and that is where they make their money.

Why the Dutching Calculator Shows a Percentage

When you put three horses into the Dutching calculator it works out the real chance of each horse and then adds those chances together. For example:

Together that is sixty five percent. In plain English, your three horses cover sixty five percent of the race.

What Does a Good Percentage Look Like

Here is the Honest John Three Horse Dutch guide.

Why Removing the Favourite Helps

Sometimes one favourite takes up forty percent or even fifty percent on its own. That means the rest of the field is squeezed in value. When you remove the favourite in the calculator you can see whether the rest of the race is worth your time. Some races look good until the favourite is taken out, then you realise everything revolves around one horse. Those are races we avoid.

Why This Matters for Punters

Percentages tell you more than odds ever will. They show how much of the race you have covered, whether the prices are tight or generous, whether your three horse dutch makes sense and whether it is better to walk away. And walking away is one of the strongest tools a punter has.

The Honest John Takeaway

You do not need to be a maths wizard. The percentage simply shows how much of the race your three horses cover. More coverage with fair odds means a better chance. That is all percentage really is. Simple once you know. And now you do.