-3.74% is the change from 508 to 489
Calculation steps:
[( 489 - 508 ) ÷ 508] x 100 = -3.74%
Formula
Percentage change = [(489 - 508) / 508] x 100
Subtract the new number by the original number
489 - 508 = -19
-19 ÷ 508 = -0.03740157480314961
-0.03740157480314961 x 100 = -3.74%