-49.35% is the change from 995 to 504
Calculation steps:
[( 504 - 995 ) ÷ 995] x 100 = -49.35%
Formula
Percentage change = [(504 - 995) / 995] x 100
Subtract the new number by the original number
504 - 995 = -491
-491 ÷ 995 = -0.4934673366834171
-0.4934673366834171 x 100 = -49.35%