69.03% is the change from 423 to 715
Calculation steps:
[( 715 - 423 ) ÷ 423] x 100 = 69.03%
Formula
Percentage change = [(715 - 423) / 423] x 100
Subtract the new number by the original number
715 - 423 = 292
292 ÷ 423 = 0.6903073286052009
0.6903073286052009 x 100 = 69.03%