-26.76% is the change from 680 to 498
Calculation steps:
[( 498 - 680 ) ÷ 680] x 100 = -26.76%
Formula
Percentage change = [(498 - 680) / 680] x 100
Subtract the new number by the original number
498 - 680 = -182
-182 ÷ 680 = -0.2676470588235294
-0.2676470588235294 x 100 = -26.76%