tldr..
Order maters for permutations Order does not matter for combinations
Permutation
Arranging items in a specific sequence.
Arrange Line up Schedule Passwords
Combination
Selecting items from a larger group.
Choose Select Group Team
Example :
Total Items = 5 Selected Items = 3
permutation 60
combinations 10
for given n and r where r > 1. no.of permutation will always be larger because it treats every rearrangement of the exact same group as a brand new results.