I took a moment to look up all the easy-to-find attendance figures for recent pre-season friendlies against Welling United.
Found figures for seven of the last eight seasons.
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In six of the last seven seasons, the attendance at Charlton's pre-season Welling match as a percentage of Charlton's average home league attendance the following season has varied between a low of 9.9% and a high of 14.1%
The average percentage is 12.6%.
If the highest, lowest and average percentages are used to calculate possible attendance figures for the 2018-19 season, this is what we find;
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Putting it as simply as possible,
the lowest proportion of Charlton's average home league attendance recorded at the pre-season Welling fixture since 2011 is 9.9%
(in season 2012/13 the Welling game attendance of 1,827 was 9.9% of Charlton's average home gate of the next season)
Even if that low 9.9% proportion is repeated this coming season,
Charlton's average league attendance at the Valley is projected to be
10,202 - over 1,600 down on last season.
Statistically a proportion closer to the average of 12.6% is more likely.
That would mean home attendance at the Valley down to
8,016 - a huge decline of over 3,500.
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Naturally there are many other factors which will affect the number of fans who come to the Valley this coming season.
- Whether or not a take-over is completed
- The form and results of the team
- Other factors (special ticket price offers, good or bad weather)
And the England game on TV this afternoon and / or the exceptionally warm weather may well have made hundreds of Charlton fans decide not to attend the Welling game this time around.
The very low attendance for the Welling pre-season fixture does not definitely mean attendances at the Valley will also fall proportionately,
but I would say it is a worrying indicator that they might.
This is just a mathematical exercise, an attempt to project future numbers based on past data.
But the numbers is suggests are not good at all.