-27.62% is the change from 688 to 498
Calculation steps:
[( 498 - 688 ) ÷ 688] x 100 = -27.62%
Formula
Percentage change = [(498 - 688) / 688] x 100
Subtract the new number by the original number
498 - 688 = -190
-190 ÷ 688 = -0.2761627906976744
-0.2761627906976744 x 100 = -27.62%