17.6% is the change from 642 to 755
Calculation steps:
[( 755 - 642 ) ÷ 642] x 100 = 17.6%
Formula
Percentage change = [(755 - 642) / 642] x 100
Subtract the new number by the original number
755 - 642 = 113
113 ÷ 642 = 0.17601246105919002
0.17601246105919002 x 100 = 17.6%