-68.97% is the change from 899 to 279
Calculation steps:
[( 279 - 899 ) ÷ 899] x 100 = -68.97%
Formula
Percentage change = [(279 - 899) / 899] x 100
Subtract the new number by the original number
279 - 899 = -620
-620 ÷ 899 = -0.6896551724137931
-0.6896551724137931 x 100 = -68.97%