-98.54% is the change from 478 to 7
Calculation steps:
[( 7 - 478 ) ÷ 478] x 100 = -98.54%
Formula
Percentage change = [(7 - 478) / 478] x 100
Subtract the new number by the original number
7 - 478 = -471
-471 ÷ 478 = -0.9853556485355649
-0.9853556485355649 x 100 = -98.54%