91.96% is the change from 423 to 812
Calculation steps:
[( 812 - 423 ) ÷ 423] x 100 = 91.96%
Formula
Percentage change = [(812 - 423) / 423] x 100
Subtract the new number by the original number
812 - 423 = 389
389 ÷ 423 = 0.9196217494089834
0.9196217494089834 x 100 = 91.96%