-5.26% is the change from 513 to 486
Calculation steps:
[( 486 - 513 ) ÷ 513] x 100 = -5.26%
Formula
Percentage change = [(486 - 513) / 513] x 100
Subtract the new number by the original number
486 - 513 = -27
-27 ÷ 513 = -0.05263157894736842
-0.05263157894736842 x 100 = -5.26%