16.59% is the change from 639 to 745
Calculation steps:
[( 745 - 639 ) ÷ 639] x 100 = 16.59%
Formula
Percentage change = [(745 - 639) / 639] x 100
Subtract the new number by the original number
745 - 639 = 106
106 ÷ 639 = 0.16588419405320814
0.16588419405320814 x 100 = 16.59%