-50.28% is the change from 879 to 437
Calculation steps:
[( 437 - 879 ) ÷ 879] x 100 = -50.28%
Formula
Percentage change = [(437 - 879) / 879] x 100
Subtract the new number by the original number
437 - 879 = -442
-442 ÷ 879 = -0.502844141069397
-0.502844141069397 x 100 = -50.28%