-22.4% is the change from 509 to 395
Calculation steps:
[( 395 - 509 ) ÷ 509] x 100 = -22.4%
Formula
Percentage change = [(395 - 509) / 509] x 100
Subtract the new number by the original number
395 - 509 = -114
-114 ÷ 509 = -0.22396856581532418
-0.22396856581532418 x 100 = -22.4%