0.15% is the change from 648 to 649
Calculation steps:
[( 649 - 648 ) ÷ 648] x 100 = 0.15%
Formula
Percentage change = [(649 - 648) / 648] x 100
Subtract the new number by the original number
649 - 648 = 1
1 ÷ 648 = 0.0015432098765432098
0.0015432098765432098 x 100 = 0.15%