2.86% is the change from 664 to 683
Calculation steps:
[( 683 - 664 ) ÷ 664] x 100 = 2.86%
Formula
Percentage change = [(683 - 664) / 664] x 100
Subtract the new number by the original number
683 - 664 = 19
19 ÷ 664 = 0.0286144578313253
0.0286144578313253 x 100 = 2.86%