-17.43% is the change from 505 to 417
Calculation steps:
[( 417 - 505 ) ÷ 505] x 100 = -17.43%
Formula
Percentage change = [(417 - 505) / 505] x 100
Subtract the new number by the original number
417 - 505 = -88
-88 ÷ 505 = -0.17425742574257425
-0.17425742574257425 x 100 = -17.43%