-79.58% is the change from 475 to 97
Calculation steps:
[( 97 - 475 ) ÷ 475] x 100 = -79.58%
Formula
Percentage change = [(97 - 475) / 475] x 100
Subtract the new number by the original number
97 - 475 = -378
-378 ÷ 475 = -0.7957894736842105
-0.7957894736842105 x 100 = -79.58%