-90.42% is the change from 480 to 46
Calculation steps:
[( 46 - 480 ) ÷ 480] x 100 = -90.42%
Formula
Percentage change = [(46 - 480) / 480] x 100
Subtract the new number by the original number
46 - 480 = -434
-434 ÷ 480 = -0.9041666666666667
-0.9041666666666667 x 100 = -90.42%