-24.17% is the change from 509 to 386
Calculation steps:
[( 386 - 509 ) ÷ 509] x 100 = -24.17%
Formula
Percentage change = [(386 - 509) / 509] x 100
Subtract the new number by the original number
386 - 509 = -123
-123 ÷ 509 = -0.24165029469548133
-0.24165029469548133 x 100 = -24.17%