56.48% is the change from 517 to 809
Calculation steps:
[( 809 - 517 ) ÷ 517] x 100 = 56.48%
Formula
Percentage change = [(809 - 517) / 517] x 100
Subtract the new number by the original number
809 - 517 = 292
292 ÷ 517 = 0.5647969052224371
0.5647969052224371 x 100 = 56.48%