-38.15% is the change from 498 to 308
Calculation steps:
[( 308 - 498 ) ÷ 498] x 100 = -38.15%
Formula
Percentage change = [(308 - 498) / 498] x 100
Subtract the new number by the original number
308 - 498 = -190
-190 ÷ 498 = -0.3815261044176707
-0.3815261044176707 x 100 = -38.15%