18.69% is the change from 642 to 762
Calculation steps:
[( 762 - 642 ) ÷ 642] x 100 = 18.69%
Formula
Percentage change = [(762 - 642) / 642] x 100
Subtract the new number by the original number
762 - 642 = 120
120 ÷ 642 = 0.18691588785046728
0.18691588785046728 x 100 = 18.69%