105.79% is the change from 397 to 817
Calculation steps:
[( 817 - 397 ) ÷ 397] x 100 = 105.79%
Formula
Percentage change = [(817 - 397) / 397] x 100
Subtract the new number by the original number
817 - 397 = 420
420 ÷ 397 = 1.057934508816121
1.057934508816121 x 100 = 105.79%