It's actually somewhat of an illusion caused by the scale of the graph. As a percentage, their fluctuations are just as large.
Our average is 55k, a 15% variation is 8,250.
Their average is 17k, a 15% variation is 2,550.
Good analysis. Looks can be deceiving, so it seems.
We had 68,842 on 2/28 and 44,710 2 days later. That's a 35% swing.