2.4% is the change from 501 to 513
Calculation steps:
[( 513 - 501 ) ÷ 501] x 100 = 2.4%
Formula
Percentage change = [(513 - 501) / 501] x 100
Subtract the new number by the original number
513 - 501 = 12
12 ÷ 501 = 0.023952095808383235
0.023952095808383235 x 100 = 2.4%