-35.14% is the change from 498 to 323
Calculation steps:
[( 323 - 498 ) ÷ 498] x 100 = -35.14%
Formula
Percentage change = [(323 - 498) / 498] x 100
Subtract the new number by the original number
323 - 498 = -175
-175 ÷ 498 = -0.3514056224899598
-0.3514056224899598 x 100 = -35.14%