106.06% is the change from 396 to 816
Calculation steps:
[( 816 - 396 ) ÷ 396] x 100 = 106.06%
Formula
Percentage change = [(816 - 396) / 396] x 100
Subtract the new number by the original number
816 - 396 = 420
420 ÷ 396 = 1.0606060606060606
1.0606060606060606 x 100 = 106.06%