-68.49% is the change from 879 to 277
Calculation steps:
[( 277 - 879 ) ÷ 879] x 100 = -68.49%
Formula
Percentage change = [(277 - 879) / 879] x 100
Subtract the new number by the original number
277 - 879 = -602
-602 ÷ 879 = -0.6848691695108078
-0.6848691695108078 x 100 = -68.49%