-7.29% is the change from 521 to 483
Calculation steps:
[( 483 - 521 ) ÷ 521] x 100 = -7.29%
Formula
Percentage change = [(483 - 521) / 521] x 100
Subtract the new number by the original number
483 - 521 = -38
-38 ÷ 521 = -0.07293666026871401
-0.07293666026871401 x 100 = -7.29%