-2.34% is the change from 513 to 501
Calculation steps:
[( 501 - 513 ) ÷ 513] x 100 = -2.34%
Formula
Percentage change = [(501 - 513) / 513] x 100
Subtract the new number by the original number
501 - 513 = -12
-12 ÷ 513 = -0.023391812865497075
-0.023391812865497075 x 100 = -2.34%