-67.06% is the change from 847 to 279
Calculation steps:
[( 279 - 847 ) ÷ 847] x 100 = -67.06%
Formula
Percentage change = [(279 - 847) / 847] x 100
Subtract the new number by the original number
279 - 847 = -568
-568 ÷ 847 = -0.6706021251475797
-0.6706021251475797 x 100 = -67.06%