-58.09% is the change from 680 to 285
Calculation steps:
[( 285 - 680 ) ÷ 680] x 100 = -58.09%
Formula
Percentage change = [(285 - 680) / 680] x 100
Subtract the new number by the original number
285 - 680 = -395
-395 ÷ 680 = -0.5808823529411765
-0.5808823529411765 x 100 = -58.09%