68.32% is the change from 423 to 712
Calculation steps:
[( 712 - 423 ) ÷ 423] x 100 = 68.32%
Formula
Percentage change = [(712 - 423) / 423] x 100
Subtract the new number by the original number
712 - 423 = 289
289 ÷ 423 = 0.6832151300236406
0.6832151300236406 x 100 = 68.32%