Fewer people are in employment. Well, of course they are. As some of us tried to tell you, the low unemployment figures are just fewer people on JSA. Using that logic, if it can be so described, you could abolish JSA altogether, thereby declaring full employment.
If Theresa May wants to bang on about the last Labour Government, seven years after she herself became a Cabinet Minister, then she needs to be asked which of the measures in question she opposed, and which Jeremy Corbyn did.