-3.64% is the change from 879 to 847
Calculation steps:
[( 847 - 879 ) ÷ 879] x 100 = -3.64%
Formula
Percentage change = [(847 - 879) / 879] x 100
Subtract the new number by the original number
847 - 879 = -32
-32 ÷ 879 = -0.03640500568828214
-0.03640500568828214 x 100 = -3.64%