90.54% is the change from 423 to 806
Calculation steps:
[( 806 - 423 ) ÷ 423] x 100 = 90.54%
Formula
Percentage change = [(806 - 423) / 423] x 100
Subtract the new number by the original number
806 - 423 = 383
383 ÷ 423 = 0.9054373522458629
0.9054373522458629 x 100 = 90.54%