Market capitalization of GOOG increased by 68.78% over the past 1 year. The primary factor behind the change was an increase in P/E Change from 20.48 to 28.29.
The secondary factor is the Revenue Growth, contributed 15.95%to the performance.
Overall, the performance of GOOG in the past 1 year is driven by P/E Change. Which is more unsustainable.