-26.1% is the change from 521 to 385
Calculation steps:
[( 385 - 521 ) ÷ 521] x 100 = -26.1%
Formula
Percentage change = [(385 - 521) / 521] x 100
Subtract the new number by the original number
385 - 521 = -136
-136 ÷ 521 = -0.26103646833013433
-0.26103646833013433 x 100 = -26.1%