61.16% is the change from 502 to 809
Calculation steps:
[( 809 - 502 ) ÷ 502] x 100 = 61.16%
Formula
Percentage change = [(809 - 502) / 502] x 100
Subtract the new number by the original number
809 - 502 = 307
307 ÷ 502 = 0.6115537848605578
0.6115537848605578 x 100 = 61.16%