-22.85% is the change from 512 to 395
Calculation steps:
[( 395 - 512 ) ÷ 512] x 100 = -22.85%
Formula
Percentage change = [(395 - 512) / 512] x 100
Subtract the new number by the original number
395 - 512 = -117
-117 ÷ 512 = -0.228515625
-0.228515625 x 100 = -22.85%