-55.59% is the change from 939 to 417
Calculation steps:
[( 417 - 939 ) ÷ 939] x 100 = -55.59%
Formula
Percentage change = [(417 - 939) / 939] x 100
Subtract the new number by the original number
417 - 939 = -522
-522 ÷ 939 = -0.5559105431309904
-0.5559105431309904 x 100 = -55.59%