-99.16% is the change from 478 to 4
Calculation steps:
[( 4 - 478 ) ÷ 478] x 100 = -99.16%
Formula
Percentage change = [(4 - 478) / 478] x 100
Subtract the new number by the original number
4 - 478 = -474
-474 ÷ 478 = -0.9916317991631799
-0.9916317991631799 x 100 = -99.16%