15.37% is the change from 501 to 578
Calculation steps:
[( 578 - 501 ) ÷ 501] x 100 = 15.37%
Formula
Percentage change = [(578 - 501) / 501] x 100
Subtract the new number by the original number
578 - 501 = 77
77 ÷ 501 = 0.1536926147704591
0.1536926147704591 x 100 = 15.37%