-67.69% is the change from 879 to 284
Calculation steps:
[( 284 - 879 ) ÷ 879] x 100 = -67.69%
Formula
Percentage change = [(284 - 879) / 879] x 100
Subtract the new number by the original number
284 - 879 = -595
-595 ÷ 879 = -0.676905574516496
-0.676905574516496 x 100 = -67.69%