-63.87% is the change from 512 to 185
Calculation steps:
[( 185 - 512 ) ÷ 512] x 100 = -63.87%
Formula
Percentage change = [(185 - 512) / 512] x 100
Subtract the new number by the original number
185 - 512 = -327
-327 ÷ 512 = -0.638671875
-0.638671875 x 100 = -63.87%