Canon EOS M200 Advanced User's Manual page 126

Image Quality
Maximum Burst for Continuous Shooting
If the maximum burst is displayed as "99", it indicates that you can shoot 99
z
or more shots continuously. The value starts decreasing once it reaches 98
or less. [BUSY] display indicates that internal memory is full and shooting
will stop temporarily. If you stop continuous shooting, the maximum burst will
increase. After all the captured images are written to the card, you can resume
continuous shooting and shoot up to the maximum burst listed in the table on
= 497.
126
The estimated maximum burst is shown on
the top of the shooting screen.