-13.88% is the change from 879 to 757
Calculation steps:
[( 757 - 879 ) ÷ 879] x 100 = -13.88%
Formula
Percentage change = [(757 - 879) / 879] x 100
Subtract the new number by the original number
757 - 879 = -122
-122 ÷ 879 = -0.13879408418657566
-0.13879408418657566 x 100 = -13.88%