-96.28% is the change from 806 to 30
Calculation steps:
[( 30 - 806 ) ÷ 806] x 100 = -96.28%
Formula
Percentage change = [(30 - 806) / 806] x 100
Subtract the new number by the original number
30 - 806 = -776
-776 ÷ 806 = -0.9627791563275434
-0.9627791563275434 x 100 = -96.28%