-51.49% is the change from 905 to 439
Calculation steps:
[( 439 - 905 ) ÷ 905] x 100 = -51.49%
Formula
Percentage change = [(439 - 905) / 905] x 100
Subtract the new number by the original number
439 - 905 = -466
-466 ÷ 905 = -0.5149171270718232
-0.5149171270718232 x 100 = -51.49%