-31.06% is the change from 879 to 606
Calculation steps:
[( 606 - 879 ) ÷ 879] x 100 = -31.06%
Formula
Percentage change = [(606 - 879) / 879] x 100
Subtract the new number by the original number
606 - 879 = -273
-273 ÷ 879 = -0.310580204778157
-0.310580204778157 x 100 = -31.06%