-35.48% is the change from 995 to 642
Calculation steps:
[( 642 - 995 ) ÷ 995] x 100 = -35.48%
Formula
Percentage change = [(642 - 995) / 995] x 100
Subtract the new number by the original number
642 - 995 = -353
-353 ÷ 995 = -0.35477386934673366
-0.35477386934673366 x 100 = -35.48%