-25.56% is the change from 669 to 498
Calculation steps:
[( 498 - 669 ) ÷ 669] x 100 = -25.56%
Formula
Percentage change = [(498 - 669) / 669] x 100
Subtract the new number by the original number
498 - 669 = -171
-171 ÷ 669 = -0.2556053811659193
-0.2556053811659193 x 100 = -25.56%