They are decreasing by a factor of 200, which means 1/200 of the starting amount.
English is not my native language so I was a bit confused by "200 times less", which I (wrongly) imagined to mean starting amount (x) minus 200x, getting to -199x, which didn't make sense. Math in speech is a tricky thing.
English is not my native language so I was a bit confused by "200 times less", which I (wrongly) imagined to mean starting amount (x) minus 200x, getting to -199x, which didn't make sense. Math in speech is a tricky thing.