-45.33% is the change from 911 to 498
Calculation steps:
[( 498 - 911 ) ÷ 911] x 100 = -45.33%
Formula
Percentage change = [(498 - 911) / 911] x 100
Subtract the new number by the original number
498 - 911 = -413
-413 ÷ 911 = -0.45334796926454446
-0.45334796926454446 x 100 = -45.33%