8.81% is the change from 647 to 704
Calculation steps:
[( 704 - 647 ) ÷ 647] x 100 = 8.81%
Formula
Percentage change = [(704 - 647) / 647] x 100
Subtract the new number by the original number
704 - 647 = 57
57 ÷ 647 = 0.08809891808346214
0.08809891808346214 x 100 = 8.81%