-68.34% is the change from 995 to 315
Calculation steps:
[( 315 - 995 ) ÷ 995] x 100 = -68.34%
Formula
Percentage change = [(315 - 995) / 995] x 100
Subtract the new number by the original number
315 - 995 = -680
-680 ÷ 995 = -0.6834170854271356
-0.6834170854271356 x 100 = -68.34%