-32.12% is the change from 520 to 353
Calculation steps:
[( 353 - 520 ) ÷ 520] x 100 = -32.12%
Formula
Percentage change = [(353 - 520) / 520] x 100
Subtract the new number by the original number
353 - 520 = -167
-167 ÷ 520 = -0.3211538461538462
-0.3211538461538462 x 100 = -32.12%