19.16% is the change from 642 to 765
Calculation steps:
[( 765 - 642 ) ÷ 642] x 100 = 19.16%
Formula
Percentage change = [(765 - 642) / 642] x 100
Subtract the new number by the original number
765 - 642 = 123
123 ÷ 642 = 0.19158878504672897
0.19158878504672897 x 100 = 19.16%