If looking for a percentage answer, you subtract the smallest number from the largest number and the divide the difference by the largest number.
Ex: $2000 - $1560 = $440 / $2000 = 22% Variance.
Check your work: $2000 x 22% = $440.
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variance - covariance - how to calculate and its uses
Square the standard deviation and you will have the variance.
How do we calculate variance
Standard deviation = square root of variance.
The standard deviation is the square root of the variance. So, if variance = 03 = 3 the std dev = sqrt(3) = 1.732