-17.52% is the change from 508 to 419
Calculation steps:
[( 419 - 508 ) ÷ 508] x 100 = -17.52%
Formula
Percentage change = [(419 - 508) / 508] x 100
Subtract the new number by the original number
419 - 508 = -89
-89 ÷ 508 = -0.17519685039370078
-0.17519685039370078 x 100 = -17.52%