-94.14% is the change from 478 to 28
Calculation steps:
[( 28 - 478 ) ÷ 478] x 100 = -94.14%
Formula
Percentage change = [(28 - 478) / 478] x 100
Subtract the new number by the original number
28 - 478 = -450
-450 ÷ 478 = -0.9414225941422594
-0.9414225941422594 x 100 = -94.14%