-6.82% is the change from 513 to 478
Calculation steps:
[( 478 - 513 ) ÷ 513] x 100 = -6.82%
Formula
Percentage change = [(478 - 513) / 513] x 100
Subtract the new number by the original number
478 - 513 = -35
-35 ÷ 513 = -0.0682261208576998
-0.0682261208576998 x 100 = -6.82%