-68.37% is the change from 863 to 273
Calculation steps:
[( 273 - 863 ) ÷ 863] x 100 = -68.37%
Formula
Percentage change = [(273 - 863) / 863] x 100
Subtract the new number by the original number
273 - 863 = -590
-590 ÷ 863 = -0.6836616454229433
-0.6836616454229433 x 100 = -68.37%