-24.18% is the change from 521 to 395
Calculation steps:
[( 395 - 521 ) ÷ 521] x 100 = -24.18%
Formula
Percentage change = [(395 - 521) / 521] x 100
Subtract the new number by the original number
395 - 521 = -126
-126 ÷ 521 = -0.2418426103646833
-0.2418426103646833 x 100 = -24.18%