10 unchanged sentences
Approximately 53 percent of our revenue in 2021, 52 percent of our revenue in 2020 and 51 percent of our revenue in 2019 were generated in U.S.
−Removed: The overall unfavorable effect of changes in foreign currency exchange rates, principally as a result of the strength of the U.S.
−Removed: dollar, has decreased revenue by approximately 1 percentage point in the year ended October 31, 2020.
+Added: The overall favorable effect of changes in foreign currency exchange rates, principally as a result of the weakness of the U.S.
+Added: dollar, has increased revenue by approximately 2 percentage points in the year ended October 31, 2021.
We calculate the impact of movements in foreign currency exchange rates by applying the actual foreign currency exchange rates in effect during the last month of each quarter of the current year to both the applicable current and prior year periods.
8 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.