-3.72% is the change from 913 to 879
Calculation steps:
[( 879 - 913 ) ÷ 913] x 100 = -3.72%
Formula
Percentage change = [(879 - 913) / 913] x 100
Subtract the new number by the original number
879 - 913 = -34
-34 ÷ 913 = -0.03723986856516977
-0.03723986856516977 x 100 = -3.72%