-90.85% is the change from 995 to 91
Calculation steps:
[( 91 - 995 ) ÷ 995] x 100 = -90.85%
Formula
Percentage change = [(91 - 995) / 995] x 100
Subtract the new number by the original number
91 - 995 = -904
-904 ÷ 995 = -0.9085427135678392
-0.9085427135678392 x 100 = -90.85%