156.83% is the change from 315 to 809
Calculation steps:
[( 809 - 315 ) ÷ 315] x 100 = 156.83%
Formula
Percentage change = [(809 - 315) / 315] x 100
Subtract the new number by the original number
809 - 315 = 494
494 ÷ 315 = 1.5682539682539682
1.5682539682539682 x 100 = 156.83%