-64.88% is the change from 521 to 183
Calculation steps:
[( 183 - 521 ) ÷ 521] x 100 = -64.88%
Formula
Percentage change = [(183 - 521) / 521] x 100
Subtract the new number by the original number
183 - 521 = -338
-338 ÷ 521 = -0.6487523992322457
-0.6487523992322457 x 100 = -64.88%