-96.18% is the change from 498 to 19
Calculation steps:
[( 19 - 498 ) ÷ 498] x 100 = -96.18%
Formula
Percentage change = [(19 - 498) / 498] x 100
Subtract the new number by the original number
19 - 498 = -479
-479 ÷ 498 = -0.9618473895582329
-0.9618473895582329 x 100 = -96.18%