-50.94% is the change from 909 to 446
Calculation steps:
[( 446 - 909 ) ÷ 909] x 100 = -50.94%
Formula
Percentage change = [(446 - 909) / 909] x 100
Subtract the new number by the original number
446 - 909 = -463
-463 ÷ 909 = -0.5093509350935094
-0.5093509350935094 x 100 = -50.94%