-24.75% is the change from 509 to 383
Calculation steps:
[( 383 - 509 ) ÷ 509] x 100 = -24.75%
Formula
Percentage change = [(383 - 509) / 509] x 100
Subtract the new number by the original number
383 - 509 = -126
-126 ÷ 509 = -0.2475442043222004
-0.2475442043222004 x 100 = -24.75%