-95.39% is the change from 499 to 23
Calculation steps:
[( 23 - 499 ) ÷ 499] x 100 = -95.39%
Formula
Percentage change = [(23 - 499) / 499] x 100
Subtract the new number by the original number
23 - 499 = -476
-476 ÷ 499 = -0.9539078156312625
-0.9539078156312625 x 100 = -95.39%