66.43% is the change from 423 to 704
Calculation steps:
[( 704 - 423 ) ÷ 423] x 100 = 66.43%
Formula
Percentage change = [(704 - 423) / 423] x 100
Subtract the new number by the original number
704 - 423 = 281
281 ÷ 423 = 0.6643026004728132
0.6643026004728132 x 100 = 66.43%