-12.17% is the change from 879 to 772
Calculation steps:
[( 772 - 879 ) ÷ 879] x 100 = -12.17%
Formula
Percentage change = [(772 - 879) / 879] x 100
Subtract the new number by the original number
772 - 879 = -107
-107 ÷ 879 = -0.1217292377701934
-0.1217292377701934 x 100 = -12.17%