-60.59% is the change from 680 to 268
Calculation steps:
[( 268 - 680 ) ÷ 680] x 100 = -60.59%
Formula
Percentage change = [(268 - 680) / 680] x 100
Subtract the new number by the original number
268 - 680 = -412
-412 ÷ 680 = -0.6058823529411764
-0.6058823529411764 x 100 = -60.59%