92.91% is the change from 423 to 816
Calculation steps:
[( 816 - 423 ) ÷ 423] x 100 = 92.91%
Formula
Percentage change = [(816 - 423) / 423] x 100
Subtract the new number by the original number
816 - 423 = 393
393 ÷ 423 = 0.9290780141843972
0.9290780141843972 x 100 = 92.91%