-56.76% is the change from 680 to 294
Calculation steps:
[( 294 - 680 ) ÷ 680] x 100 = -56.76%
Formula
Percentage change = [(294 - 680) / 680] x 100
Subtract the new number by the original number
294 - 680 = -386
-386 ÷ 680 = -0.5676470588235294
-0.5676470588235294 x 100 = -56.76%