-50.95% is the change from 995 to 488
Calculation steps:
[( 488 - 995 ) ÷ 995] x 100 = -50.95%
Formula
Percentage change = [(488 - 995) / 995] x 100
Subtract the new number by the original number
488 - 995 = -507
-507 ÷ 995 = -0.5095477386934674
-0.5095477386934674 x 100 = -50.95%