-57.65% is the change from 680 to 288
Calculation steps:
[( 288 - 680 ) ÷ 680] x 100 = -57.65%
Formula
Percentage change = [(288 - 680) / 680] x 100
Subtract the new number by the original number
288 - 680 = -392
-392 ÷ 680 = -0.5764705882352941
-0.5764705882352941 x 100 = -57.65%