-25.59% is the change from 512 to 381
Calculation steps:
[( 381 - 512 ) ÷ 512] x 100 = -25.59%
Formula
Percentage change = [(381 - 512) / 512] x 100
Subtract the new number by the original number
381 - 512 = -131
-131 ÷ 512 = -0.255859375
-0.255859375 x 100 = -25.59%