There were 200 fishes in an aquarium, 99% of which were red. How many red fishes must be removed to make the percentage of red fishes 98%?

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Q. There were 200 fishes in an aquarium, 99% of which were red.
How many red fishes must be removed to make 
the percentage of red fishes 98%?

Solution:
Initially
total: 200, red: 198, percent:99%
If we remove 1 red fish - 
total: 199, red: 197, percent:98.9949749%

If we remove 1 more - 
total: 198, red: 196, percent:98.989898989%

so on...

If we remove 100 fish - 
total: 100, red: 98, percent:98%

so answer is "remove 100 red fish".
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my next question for you is: 
Q. There were 200 fishes in an aquarium, 99% of which were red. 
How many red fishes must be removed to make 
the percentage of red fishes 96%?

and what if,
How many red fishes must be removed to make
the percentage of red fishes 95%?