-31.09% is the change from 521 to 359
Calculation steps:
[( 359 - 521 ) ÷ 521] x 100 = -31.09%
Formula
Percentage change = [(359 - 521) / 521] x 100
Subtract the new number by the original number
359 - 521 = -162
-162 ÷ 521 = -0.31094049904030713
-0.31094049904030713 x 100 = -31.09%