-17.26% is the change from 475 to 393
Calculation steps:
[( 393 - 475 ) ÷ 475] x 100 = -17.26%
Formula
Percentage change = [(393 - 475) / 475] x 100
Subtract the new number by the original number
393 - 475 = -82
-82 ÷ 475 = -0.1726315789473684
-0.1726315789473684 x 100 = -17.26%