-6.21% is the change from 515 to 483
Calculation steps:
[( 483 - 515 ) ÷ 515] x 100 = -6.21%
Formula
Percentage change = [(483 - 515) / 515] x 100
Subtract the new number by the original number
483 - 515 = -32
-32 ÷ 515 = -0.062135922330097085
-0.062135922330097085 x 100 = -6.21%