-58.97% is the change from 680 to 279
Calculation steps:
[( 279 - 680 ) ÷ 680] x 100 = -58.97%
Formula
Percentage change = [(279 - 680) / 680] x 100
Subtract the new number by the original number
279 - 680 = -401
-401 ÷ 680 = -0.5897058823529412
-0.5897058823529412 x 100 = -58.97%