-68.86% is the change from 867 to 270
Calculation steps:
[( 270 - 867 ) ÷ 867] x 100 = -68.86%
Formula
Percentage change = [(270 - 867) / 867] x 100
Subtract the new number by the original number
270 - 867 = -597
-597 ÷ 867 = -0.6885813148788927
-0.6885813148788927 x 100 = -68.86%