-38.76% is the change from 498 to 305
Calculation steps:
[( 305 - 498 ) ÷ 498] x 100 = -38.76%
Formula
Percentage change = [(305 - 498) / 498] x 100
Subtract the new number by the original number
305 - 498 = -193
-193 ÷ 498 = -0.38755020080321284
-0.38755020080321284 x 100 = -38.76%