6.86% is the change from 583 to 623
Calculation steps:
[( 623 - 583 ) ÷ 583] x 100 = 6.86%
Formula
Percentage change = [(623 - 583) / 583] x 100
Subtract the new number by the original number
623 - 583 = 40
40 ÷ 583 = 0.0686106346483705
0.0686106346483705 x 100 = 6.86%