How to make nested ifelse loop dynamic

i Have a Df:abc as below

Sr|VALUE
a |85
b |120
c |145
d |225
e |100
f |325
g |410

I am writing below code to create a count for each record such that its 0 for VALUE<100,1 for VALUE between[100,200),2 for VALUE>=200

Stepdif<-100

abc = within(abc, {                   
  Count = ifelse(abc$VALUE>=Stepdif & abc$VALUE<2*Stepdif,1,ifelse(abc$VALUE>=2*Stepdif ,2,0))
  })

to give result as

Sr|VALUE|Count
a |85   |0
b |120  |1
c |145  |1
d |225  |2
e |100  |1
f |325  |2
g |410  |2

Now i want a code using which i can define count for each duration of 100. I dont want to write code as such

Count = ifelse(abc$VALUE>=Stepdif & abc$VALUE<2*Stepdif,1,ifelse(abc$VALUE>=2*Stepdif & abc$VALUE<3*Stepdif,2,ifelse(abc$VALUE>=3*Stepdif & abc$VALUE<4**Stepdif,3,ifelse(abc$VALUE>=4*Stepdif ,4,0))))

Rather i want to make it dynamic so that if i change the no of iteration from 4 to 6 , i dont have to rewrite the code again.

expected result
Sr|VALUE|Count
a |85   |0
b |120  |1
c |145  |1
d |225  |2
e |100  |1
f |325  |3
g |410  |4