9.49% is the change from 643 to 704
Calculation steps:
[( 704 - 643 ) ÷ 643] x 100 = 9.49%
Formula
Percentage change = [(704 - 643) / 643] x 100
Subtract the new number by the original number
704 - 643 = 61
61 ÷ 643 = 0.09486780715396578
0.09486780715396578 x 100 = 9.49%