107.18% is the change from 390 to 808
Calculation steps:
[( 808 - 390 ) ÷ 390] x 100 = 107.18%
Formula
Percentage change = [(808 - 390) / 390] x 100
Subtract the new number by the original number
808 - 390 = 418
418 ÷ 390 = 1.0717948717948718
1.0717948717948718 x 100 = 107.18%