-48.84% is the change from 995 to 509
Calculation steps:
[( 509 - 995 ) ÷ 995] x 100 = -48.84%
Formula
Percentage change = [(509 - 995) / 995] x 100
Subtract the new number by the original number
509 - 995 = -486
-486 ÷ 995 = -0.4884422110552764
-0.4884422110552764 x 100 = -48.84%