-65.83% is the change from 995 to 340
Calculation steps:
[( 340 - 995 ) ÷ 995] x 100 = -65.83%
Formula
Percentage change = [(340 - 995) / 995] x 100
Subtract the new number by the original number
340 - 995 = -655
-655 ÷ 995 = -0.6582914572864321
-0.6582914572864321 x 100 = -65.83%