Question 1059765
The absolute change is
new value - original value = 90 - 85 = 5
As a fraction of the original value, the change is
{{{5/85=0.0588(rounded)}}} ,
and {{{0.0588=5.88/100="5.88%"}}}
So we can say that the percent change is 5.88%.
That is approximate, because 85 does not divide 5 evenly.
We could continue the division to get more decimal digits, or we found round to 5.9%.