-54.6% is the change from 511 to 232
Calculation steps:
[( 232 - 511 ) ÷ 511] x 100 = -54.6%
Formula
Percentage change = [(232 - 511) / 511] x 100
Subtract the new number by the original number
232 - 511 = -279
-279 ÷ 511 = -0.5459882583170255
-0.5459882583170255 x 100 = -54.6%
Example