-67.48% is the change from 858 to 279
Calculation steps:
[( 279 - 858 ) ÷ 858] x 100 = -67.48%
Formula
Percentage change = [(279 - 858) / 858] x 100
Subtract the new number by the original number
279 - 858 = -579
-579 ÷ 858 = -0.6748251748251748
-0.6748251748251748 x 100 = -67.48%