102.77% is the change from 397 to 805
Calculation steps:
[( 805 - 397 ) ÷ 397] x 100 = 102.77%
Formula
Percentage change = [(805 - 397) / 397] x 100
Subtract the new number by the original number
805 - 397 = 408
408 ÷ 397 = 1.0277078085642317
1.0277078085642317 x 100 = 102.77%