-21.44% is the change from 863 to 678
Calculation steps:
[( 678 - 863 ) ÷ 863] x 100 = -21.44%
Formula
Percentage change = [(678 - 863) / 863] x 100
Subtract the new number by the original number
678 - 863 = -185
-185 ÷ 863 = -0.21436848203939746
-0.21436848203939746 x 100 = -21.44%