-50.84% is the change from 893 to 439
Calculation steps:
[( 439 - 893 ) ÷ 893] x 100 = -50.84%
Formula
Percentage change = [(439 - 893) / 893] x 100
Subtract the new number by the original number
439 - 893 = -454
-454 ÷ 893 = -0.5083986562150056
-0.5083986562150056 x 100 = -50.84%