-54.69% is the change from 512 to 232
Calculation steps:
[( 232 - 512 ) ÷ 512] x 100 = -54.69%
Formula
Percentage change = [(232 - 512) / 512] x 100
Subtract the new number by the original number
232 - 512 = -280
-280 ÷ 512 = -0.546875
-0.546875 x 100 = -54.69%