-74.1% is the change from 498 to 129
Calculation steps:
[( 129 - 498 ) ÷ 498] x 100 = -74.1%
Formula
Percentage change = [(129 - 498) / 498] x 100
Subtract the new number by the original number
129 - 498 = -369
-369 ÷ 498 = -0.7409638554216867
-0.7409638554216867 x 100 = -74.1%