-47.74% is the change from 909 to 475
Calculation steps:
[( 475 - 909 ) ÷ 909] x 100 = -47.74%
Formula
Percentage change = [(475 - 909) / 909] x 100
Subtract the new number by the original number
475 - 909 = -434
-434 ÷ 909 = -0.47744774477447743
-0.47744774477447743 x 100 = -47.74%