-44.72% is the change from 995 to 550
Calculation steps:
[( 550 - 995 ) ÷ 995] x 100 = -44.72%
Formula
Percentage change = [(550 - 995) / 995] x 100
Subtract the new number by the original number
550 - 995 = -445
-445 ÷ 995 = -0.4472361809045226
-0.4472361809045226 x 100 = -44.72%