-27.93% is the change from 691 to 498
Calculation steps:
[( 498 - 691 ) ÷ 691] x 100 = -27.93%
Formula
Percentage change = [(498 - 691) / 691] x 100
Subtract the new number by the original number
498 - 691 = -193
-193 ÷ 691 = -0.2793053545586107
-0.2793053545586107 x 100 = -27.93%