0.78% is the change from 643 to 648
Calculation steps:
[( 648 - 643 ) ÷ 643] x 100 = 0.78%
Formula
Percentage change = [(648 - 643) / 643] x 100
Subtract the new number by the original number
648 - 643 = 5
5 ÷ 643 = 0.007776049766718507
0.007776049766718507 x 100 = 0.78%