-34.34% is the change from 498 to 327
Calculation steps:
[( 327 - 498 ) ÷ 498] x 100 = -34.34%
Formula
Percentage change = [(327 - 498) / 498] x 100
Subtract the new number by the original number
327 - 498 = -171
-171 ÷ 498 = -0.3433734939759036
-0.3433734939759036 x 100 = -34.34%