-55.47% is the change from 521 to 232
Calculation steps:
[( 232 - 521 ) ÷ 521] x 100 = -55.47%
Formula
Percentage change = [(232 - 521) / 521] x 100
Subtract the new number by the original number
232 - 521 = -289
-289 ÷ 521 = -0.5547024952015355
-0.5547024952015355 x 100 = -55.47%