-44.44% is the change from 909 to 505
Calculation steps:
[( 505 - 909 ) ÷ 909] x 100 = -44.44%
Formula
Percentage change = [(505 - 909) / 909] x 100
Subtract the new number by the original number
505 - 909 = -404
-404 ÷ 909 = -0.4444444444444444
-0.4444444444444444 x 100 = -44.44%