-17.03% is the change from 505 to 419
Calculation steps:
[( 419 - 505 ) ÷ 505] x 100 = -17.03%
Formula
Percentage change = [(419 - 505) / 505] x 100
Subtract the new number by the original number
419 - 505 = -86
-86 ÷ 505 = -0.1702970297029703
-0.1702970297029703 x 100 = -17.03%