-36.52% is the change from 512 to 325
Calculation steps:
[( 325 - 512 ) ÷ 512] x 100 = -36.52%
Formula
Percentage change = [(325 - 512) / 512] x 100
Subtract the new number by the original number
325 - 512 = -187
-187 ÷ 512 = -0.365234375
-0.365234375 x 100 = -36.52%