-49.85% is the change from 995 to 499
Calculation steps:
[( 499 - 995 ) ÷ 995] x 100 = -49.85%
Formula
Percentage change = [(499 - 995) / 995] x 100
Subtract the new number by the original number
499 - 995 = -496
-496 ÷ 995 = -0.4984924623115578
-0.4984924623115578 x 100 = -49.85%