-26.56% is the change from 512 to 376
Calculation steps:
[( 376 - 512 ) ÷ 512] x 100 = -26.56%
Formula
Percentage change = [(376 - 512) / 512] x 100
Subtract the new number by the original number
376 - 512 = -136
-136 ÷ 512 = -0.265625
-0.265625 x 100 = -26.56%