93.62% is the change from 423 to 819
Calculation steps:
[( 819 - 423 ) ÷ 423] x 100 = 93.62%
Formula
Percentage change = [(819 - 423) / 423] x 100
Subtract the new number by the original number
819 - 423 = 396
396 ÷ 423 = 0.9361702127659575
0.9361702127659575 x 100 = 93.62%