-90.15% is the change from 477 to 47
Calculation steps:
[( 47 - 477 ) ÷ 477] x 100 = -90.15%
Formula
Percentage change = [(47 - 477) / 477] x 100
Subtract the new number by the original number
47 - 477 = -430
-430 ÷ 477 = -0.9014675052410901
-0.9014675052410901 x 100 = -90.15%