15.02% is the change from 639 to 735
Calculation steps:
[( 735 - 639 ) ÷ 639] x 100 = 15.02%
Formula
Percentage change = [(735 - 639) / 639] x 100
Subtract the new number by the original number
735 - 639 = 96
96 ÷ 639 = 0.15023474178403756
0.15023474178403756 x 100 = 15.02%