21.8% is the change from 578 to 704
Calculation steps:
[( 704 - 578 ) ÷ 578] x 100 = 21.8%
Formula
Percentage change = [(704 - 578) / 578] x 100
Subtract the new number by the original number
704 - 578 = 126
126 ÷ 578 = 0.2179930795847751
0.2179930795847751 x 100 = 21.8%