-59.33% is the change from 686 to 279
Calculation steps:
[( 279 - 686 ) ÷ 686] x 100 = -59.33%
Formula
Percentage change = [(279 - 686) / 686] x 100
Subtract the new number by the original number
279 - 686 = -407
-407 ÷ 686 = -0.5932944606413995
-0.5932944606413995 x 100 = -59.33%