-47.06% is the change from 680 to 360
Calculation steps:
[( 360 - 680 ) ÷ 680] x 100 = -47.06%
Formula
Percentage change = [(360 - 680) / 680] x 100
Subtract the new number by the original number
360 - 680 = -320
-320 ÷ 680 = -0.47058823529411764
-0.47058823529411764 x 100 = -47.06%