61.48% is the change from 501 to 809
Calculation steps:
[( 809 - 501 ) ÷ 501] x 100 = 61.48%
Formula
Percentage change = [(809 - 501) / 501] x 100
Subtract the new number by the original number
809 - 501 = 308
308 ÷ 501 = 0.6147704590818364
0.6147704590818364 x 100 = 61.48%