-67.56% is the change from 860 to 279
Calculation steps:
[( 279 - 860 ) ÷ 860] x 100 = -67.56%
Formula
Percentage change = [(279 - 860) / 860] x 100
Subtract the new number by the original number
279 - 860 = -581
-581 ÷ 860 = -0.6755813953488372
-0.6755813953488372 x 100 = -67.56%