Start with the arithmetic, since arithmetic is the part you trust.

Sleep, seven and a half, most nights, measured.
Food, unchanged. Weeks missed, none.
Warm-up now twenty-five minutes where it used to be eight.
Everything you would have prescribed, prescribed and taken.

And the top set in April is the second set in October.

There is no error in the working.
That is the part you are having trouble with.

The Book of the King — Wall 45:1