2.13% is the change from 657 to 671
Calculation steps:
[( 671 - 657 ) ÷ 657] x 100 = 2.13%
Formula
Percentage change = [(671 - 657) / 657] x 100
Subtract the new number by the original number
671 - 657 = 14
14 ÷ 657 = 0.0213089802130898
0.0213089802130898 x 100 = 2.13%