-99.54% is the change from 879 to 4
Calculation steps:
[( 4 - 879 ) ÷ 879] x 100 = -99.54%
Formula
Percentage change = [(4 - 879) / 879] x 100
Subtract the new number by the original number
4 - 879 = -875
-875 ÷ 879 = -0.9954493742889647
-0.9954493742889647 x 100 = -99.54%
Example