-27.83% is the change from 690 to 498
Calculation steps:
[( 498 - 690 ) ÷ 690] x 100 = -27.83%
Formula
Percentage change = [(498 - 690) / 690] x 100
Subtract the new number by the original number
498 - 690 = -192
-192 ÷ 690 = -0.2782608695652174
-0.2782608695652174 x 100 = -27.83%