-34.97% is the change from 995 to 647
Calculation steps:
[( 647 - 995 ) ÷ 995] x 100 = -34.97%
Formula
Percentage change = [(647 - 995) / 995] x 100
Subtract the new number by the original number
647 - 995 = -348
-348 ÷ 995 = -0.349748743718593
-0.349748743718593 x 100 = -34.97%