4.49% is the change from 623 to 651
Calculation steps:
[( 651 - 623 ) ÷ 623] x 100 = 4.49%
Formula
Percentage change = [(651 - 623) / 623] x 100
Subtract the new number by the original number
651 - 623 = 28
28 ÷ 623 = 0.0449438202247191
0.0449438202247191 x 100 = 4.49%