-16.54% is the change from 508 to 424
Calculation steps:
[( 424 - 508 ) ÷ 508] x 100 = -16.54%
Formula
Percentage change = [(424 - 508) / 508] x 100
Subtract the new number by the original number
424 - 508 = -84
-84 ÷ 508 = -0.16535433070866143
-0.16535433070866143 x 100 = -16.54%