-24.02% is the change from 512 to 389
Calculation steps:
[( 389 - 512 ) ÷ 512] x 100 = -24.02%
Formula
Percentage change = [(389 - 512) / 512] x 100
Subtract the new number by the original number
389 - 512 = -123
-123 ÷ 512 = -0.240234375
-0.240234375 x 100 = -24.02%