-45.23% is the change from 911 to 499
Calculation steps:
[( 499 - 911 ) ÷ 911] x 100 = -45.23%
Formula
Percentage change = [(499 - 911) / 911] x 100
Subtract the new number by the original number
499 - 911 = -412
-412 ÷ 911 = -0.4522502744237102
-0.4522502744237102 x 100 = -45.23%