-67.63% is the change from 865 to 280
Calculation steps:
[( 280 - 865 ) ÷ 865] x 100 = -67.63%
Formula
Percentage change = [(280 - 865) / 865] x 100
Subtract the new number by the original number
280 - 865 = -585
-585 ÷ 865 = -0.6763005780346821
-0.6763005780346821 x 100 = -67.63%