172.39% is the change from 297 to 809
Calculation steps:
[( 809 - 297 ) ÷ 297] x 100 = 172.39%
Formula
Percentage change = [(809 - 297) / 297] x 100
Subtract the new number by the original number
809 - 297 = 512
512 ÷ 297 = 1.7239057239057238
1.7239057239057238 x 100 = 172.39%