-99.37% is the change from 478 to 3
Calculation steps:
[( 3 - 478 ) ÷ 478] x 100 = -99.37%
Formula
Percentage change = [(3 - 478) / 478] x 100
Subtract the new number by the original number
3 - 478 = -475
-475 ÷ 478 = -0.9937238493723849
-0.9937238493723849 x 100 = -99.37%