-54.12% is the change from 911 to 418
Calculation steps:
[( 418 - 911 ) ÷ 911] x 100 = -54.12%
Formula
Percentage change = [(418 - 911) / 911] x 100
Subtract the new number by the original number
418 - 911 = -493
-493 ÷ 911 = -0.5411635565312843
-0.5411635565312843 x 100 = -54.12%