-51.08% is the change from 879 to 430
Calculation steps:
[( 430 - 879 ) ÷ 879] x 100 = -51.08%
Formula
Percentage change = [(430 - 879) / 879] x 100
Subtract the new number by the original number
430 - 879 = -449
-449 ÷ 879 = -0.5108077360637088
-0.5108077360637088 x 100 = -51.08%