-3.07% is the change from 879 to 852
Calculation steps:
[( 852 - 879 ) ÷ 879] x 100 = -3.07%
Formula
Percentage change = [(852 - 879) / 879] x 100
Subtract the new number by the original number
852 - 879 = -27
-27 ÷ 879 = -0.030716723549488054
-0.030716723549488054 x 100 = -3.07%