0.15% is the change from 647 to 648
Calculation steps:
[( 648 - 647 ) ÷ 647] x 100 = 0.15%
Formula
Percentage change = [(648 - 647) / 647] x 100
Subtract the new number by the original number
648 - 647 = 1
1 ÷ 647 = 0.0015455950540958269
0.0015455950540958269 x 100 = 0.15%