1.24% is the change from 643 to 651
Calculation steps:
[( 651 - 643 ) ÷ 643] x 100 = 1.24%
Formula
Percentage change = [(651 - 643) / 643] x 100
Subtract the new number by the original number
651 - 643 = 8
8 ÷ 643 = 0.012441679626749611
0.012441679626749611 x 100 = 1.24%