2.83% is the change from 671 to 690
Calculation steps:
[( 690 - 671 ) ÷ 671] x 100 = 2.83%
Formula
Percentage change = [(690 - 671) / 671] x 100
Subtract the new number by the original number
690 - 671 = 19
19 ÷ 671 = 0.028315946348733235
0.028315946348733235 x 100 = 2.83%