Calculates the proportional change for two sets of numbers.
proportional_change(x, x2)A numeric object (vector, matrix or array) of non-negative numbers.
A second numeric object of non-negative numbers.
A numeric object of the proportional change.
Other proportional:
proportional_difference()
proportional_change(1, 2)
#> [1] 1
proportional_change(2, 1)
#> [1] -0.5