-89.47% is the change from 475 to 50
Calculation steps:
[( 50 - 475 ) ÷ 475] x 100 = -89.47%
Formula
Percentage change = [(50 - 475) / 475] x 100
Subtract the new number by the original number
50 - 475 = -425
-425 ÷ 475 = -0.8947368421052632
-0.8947368421052632 x 100 = -89.47%