-44.68% is the change from 911 to 504
Calculation steps:
[( 504 - 911 ) ÷ 911] x 100 = -44.68%
Formula
Percentage change = [(504 - 911) / 911] x 100
Subtract the new number by the original number
504 - 911 = -407
-407 ÷ 911 = -0.446761800219539
-0.446761800219539 x 100 = -44.68%