15.42% is the change from 642 to 741
Calculation steps:
[( 741 - 642 ) ÷ 642] x 100 = 15.42%
Formula
Percentage change = [(741 - 642) / 642] x 100
Subtract the new number by the original number
741 - 642 = 99
99 ÷ 642 = 0.1542056074766355
0.1542056074766355 x 100 = 15.42%