105.33% is the change from 394 to 809
Calculation steps:
[( 809 - 394 ) ÷ 394] x 100 = 105.33%
Formula
Percentage change = [(809 - 394) / 394] x 100
Subtract the new number by the original number
809 - 394 = 415
415 ÷ 394 = 1.0532994923857868
1.0532994923857868 x 100 = 105.33%