-69.51% is the change from 879 to 268
Calculation steps:
[( 268 - 879 ) ÷ 879] x 100 = -69.51%
Formula
Percentage change = [(268 - 879) / 879] x 100
Subtract the new number by the original number
268 - 879 = -611
-611 ÷ 879 = -0.6951080773606371
-0.6951080773606371 x 100 = -69.51%