7.54% is the change from 623 to 670
Calculation steps:
[( 670 - 623 ) ÷ 623] x 100 = 7.54%
Formula
Percentage change = [(670 - 623) / 623] x 100
Subtract the new number by the original number
670 - 623 = 47
47 ÷ 623 = 0.0754414125200642
0.0754414125200642 x 100 = 7.54%