3.85% is the change from 623 to 647
Calculation steps:
[( 647 - 623 ) ÷ 623] x 100 = 3.85%
Formula
Percentage change = [(647 - 623) / 623] x 100
Subtract the new number by the original number
647 - 623 = 24
24 ÷ 623 = 0.038523274478330656
0.038523274478330656 x 100 = 3.85%